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Tipton PW, Deutschlaender AB, Savica R, Heckman MG, Brushaber DE, Dickerson BC, Gavrilova RH, Geschwind DH, Ghoshal N, Graff-Radford J, Graff-Radford NR, Grossman M, Hsiung GYR, Huey ED, Irwin DJ, Jones DT, Knopman DS, McGinnis SM, Rademakers R, Ramos EM, Forsberg LK, Heuer HW, Onyike C, Tartaglia C, Domoto-Reilly K, Roberson ED, Mendez MF, Litvan I, Appleby BS, Grant I, Kaufer D, Boxer AL, Rosen HJ, Boeve BF, Wszolek ZK. Differences in Motor Features of C9orf72, MAPT, or GRN Variant Carriers With Familial Frontotemporal Lobar Degeneration. Neurology 2022; 99:e1154-e1167. [PMID: 35790423 PMCID: PMC9536745 DOI: 10.1212/wnl.0000000000200860] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Accepted: 05/02/2022] [Indexed: 01/29/2023] Open
Abstract
BACKGROUND AND OBJECTIVES Familial frontotemporal lobar degeneration (f-FTLD) is a phenotypically heterogeneous spectrum of neurodegenerative disorders most often caused by variants within chromosome 9 open reading frame 72 (C9orf72), microtubule-associated protein tau (MAPT), or granulin (GRN). The phenotypic association with each of these genes is incompletely understood. We hypothesized that the frequency of specific clinical features would correspond with different genes. METHODS We screened the Advancing Research and Treatment in Frontotemporal Lobar Degeneration (ARTFL)/Longitudinal Evaluation of Familial Frontotemporal Dementia Subjects (LEFFTDS)/ARTFL LEFFTDS Longitudinal Frontotemporal Lobar Degeneration Consortium for symptomatic carriers of pathogenic variants in C9orf72, MAPT, or GRN. We assessed for clinical differences among these 3 groups based on data recorded as part of a detailed neurologic examination, the Progressive Supranuclear Palsy Rating Scale, Progressive Supranuclear Palsy-Quality of Life Rating Scale, Unified Parkinson's Disease Rating Scale Part III (motor items), and the Amyotrophic Lateral Sclerosis Functional Rating Scale, revised version. Data were analyzed using Kruskal-Wallis and Wilcoxon rank-sum tests and Fisher exact test. RESULTS We identified 184 symptomatic participants who had a single pathogenic variant in C9orf72 (n = 88), MAPT (n = 53), or GRN (n = 43). Motor symptom age at onset was earliest in the MAPT participants followed by C9orf72, whereas the GRN pathogenic variant carriers developed symptoms later. C9orf72 participants more often had fasciculations, muscle atrophy, and weakness, whereas parkinsonism was less frequent. Vertical oculomotor abnormalities were more common in the MAPT cohort, whereas apraxia and focal limb dystonia occurred more often in participants with GRN variants. DISCUSSION We present a large comparative study of motor features in C9orf72, MAPT, and GRN pathogenic variant carriers with symptomatic f-FTLD. Our findings demonstrate characteristic phenotypic differences corresponding with specific gene variants that increase our understanding of the genotype-phenotype relationship in this complex spectrum of neurodegenerative disorders. TRIAL REGISTRATION INFORMATION NCT02365922, NCT02372773, and NCT04363684.
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Affiliation(s)
- Philip Wade Tipton
- From the Department of Neurology (P.W.T., A.B.D., N.R.G.-R., Z.K.W.), Mayo Clinic, Jacksonville, FL; Department of Neurology (R.S., D.E.B., R.H.G., J.G.-R., D.T.J., D.S.K., L.K.F., B.F.B.), Mayo Clinic, Rochester, MN; Division of Clinical Trials and Biostatistics (M.G.H.), Mayo Clinic, Jacksonville, FL; Massachusetts General Hospital (B.C.D., S.M.M.), Harvard University, Boston; University of California, Los Angeles (UCLA) (D.H.G., E.M.R., M.F.M.); Washington University (N.G.), St. Louis, MO; University of Pennsylvania (M.G., D.J.I.), Philadelphia; University of British Columbia (G.-Y.R.H.), Vancouver, Canada; Columbia University (E.D.H.), New York; Department of Neuroscience (R.R.), Mayo Clinic, Jacksonville, FL; University of California, San Francisco (UCSF) (H.W.H., A.L.B., H.J.R.); Johns Hopkins University School of Medicine (C.O.), Baltimore, MD; University of Toronto (C.T.), Ontario, Canada; University of Washington (K.D.-R.), Seattle; University of Alabama at Birmingham (E.D.R.); University of California, San Diego (UCSD) (I.L.); Case Western Reserve University (B.S.A.), Cleveland, OH; Northwestern University (I.G.), Evanston, IL; and University of North Carolina (D.K.), Chapel Hill.
| | - Angela B Deutschlaender
- From the Department of Neurology (P.W.T., A.B.D., N.R.G.-R., Z.K.W.), Mayo Clinic, Jacksonville, FL; Department of Neurology (R.S., D.E.B., R.H.G., J.G.-R., D.T.J., D.S.K., L.K.F., B.F.B.), Mayo Clinic, Rochester, MN; Division of Clinical Trials and Biostatistics (M.G.H.), Mayo Clinic, Jacksonville, FL; Massachusetts General Hospital (B.C.D., S.M.M.), Harvard University, Boston; University of California, Los Angeles (UCLA) (D.H.G., E.M.R., M.F.M.); Washington University (N.G.), St. Louis, MO; University of Pennsylvania (M.G., D.J.I.), Philadelphia; University of British Columbia (G.-Y.R.H.), Vancouver, Canada; Columbia University (E.D.H.), New York; Department of Neuroscience (R.R.), Mayo Clinic, Jacksonville, FL; University of California, San Francisco (UCSF) (H.W.H., A.L.B., H.J.R.); Johns Hopkins University School of Medicine (C.O.), Baltimore, MD; University of Toronto (C.T.), Ontario, Canada; University of Washington (K.D.-R.), Seattle; University of Alabama at Birmingham (E.D.R.); University of California, San Diego (UCSD) (I.L.); Case Western Reserve University (B.S.A.), Cleveland, OH; Northwestern University (I.G.), Evanston, IL; and University of North Carolina (D.K.), Chapel Hill
| | - Rodolfo Savica
- From the Department of Neurology (P.W.T., A.B.D., N.R.G.-R., Z.K.W.), Mayo Clinic, Jacksonville, FL; Department of Neurology (R.S., D.E.B., R.H.G., J.G.-R., D.T.J., D.S.K., L.K.F., B.F.B.), Mayo Clinic, Rochester, MN; Division of Clinical Trials and Biostatistics (M.G.H.), Mayo Clinic, Jacksonville, FL; Massachusetts General Hospital (B.C.D., S.M.M.), Harvard University, Boston; University of California, Los Angeles (UCLA) (D.H.G., E.M.R., M.F.M.); Washington University (N.G.), St. Louis, MO; University of Pennsylvania (M.G., D.J.I.), Philadelphia; University of British Columbia (G.-Y.R.H.), Vancouver, Canada; Columbia University (E.D.H.), New York; Department of Neuroscience (R.R.), Mayo Clinic, Jacksonville, FL; University of California, San Francisco (UCSF) (H.W.H., A.L.B., H.J.R.); Johns Hopkins University School of Medicine (C.O.), Baltimore, MD; University of Toronto (C.T.), Ontario, Canada; University of Washington (K.D.-R.), Seattle; University of Alabama at Birmingham (E.D.R.); University of California, San Diego (UCSD) (I.L.); Case Western Reserve University (B.S.A.), Cleveland, OH; Northwestern University (I.G.), Evanston, IL; and University of North Carolina (D.K.), Chapel Hill
| | - Michael G Heckman
- From the Department of Neurology (P.W.T., A.B.D., N.R.G.-R., Z.K.W.), Mayo Clinic, Jacksonville, FL; Department of Neurology (R.S., D.E.B., R.H.G., J.G.-R., D.T.J., D.S.K., L.K.F., B.F.B.), Mayo Clinic, Rochester, MN; Division of Clinical Trials and Biostatistics (M.G.H.), Mayo Clinic, Jacksonville, FL; Massachusetts General Hospital (B.C.D., S.M.M.), Harvard University, Boston; University of California, Los Angeles (UCLA) (D.H.G., E.M.R., M.F.M.); Washington University (N.G.), St. Louis, MO; University of Pennsylvania (M.G., D.J.I.), Philadelphia; University of British Columbia (G.-Y.R.H.), Vancouver, Canada; Columbia University (E.D.H.), New York; Department of Neuroscience (R.R.), Mayo Clinic, Jacksonville, FL; University of California, San Francisco (UCSF) (H.W.H., A.L.B., H.J.R.); Johns Hopkins University School of Medicine (C.O.), Baltimore, MD; University of Toronto (C.T.), Ontario, Canada; University of Washington (K.D.-R.), Seattle; University of Alabama at Birmingham (E.D.R.); University of California, San Diego (UCSD) (I.L.); Case Western Reserve University (B.S.A.), Cleveland, OH; Northwestern University (I.G.), Evanston, IL; and University of North Carolina (D.K.), Chapel Hill
| | - Danielle E Brushaber
- From the Department of Neurology (P.W.T., A.B.D., N.R.G.-R., Z.K.W.), Mayo Clinic, Jacksonville, FL; Department of Neurology (R.S., D.E.B., R.H.G., J.G.-R., D.T.J., D.S.K., L.K.F., B.F.B.), Mayo Clinic, Rochester, MN; Division of Clinical Trials and Biostatistics (M.G.H.), Mayo Clinic, Jacksonville, FL; Massachusetts General Hospital (B.C.D., S.M.M.), Harvard University, Boston; University of California, Los Angeles (UCLA) (D.H.G., E.M.R., M.F.M.); Washington University (N.G.), St. Louis, MO; University of Pennsylvania (M.G., D.J.I.), Philadelphia; University of British Columbia (G.-Y.R.H.), Vancouver, Canada; Columbia University (E.D.H.), New York; Department of Neuroscience (R.R.), Mayo Clinic, Jacksonville, FL; University of California, San Francisco (UCSF) (H.W.H., A.L.B., H.J.R.); Johns Hopkins University School of Medicine (C.O.), Baltimore, MD; University of Toronto (C.T.), Ontario, Canada; University of Washington (K.D.-R.), Seattle; University of Alabama at Birmingham (E.D.R.); University of California, San Diego (UCSD) (I.L.); Case Western Reserve University (B.S.A.), Cleveland, OH; Northwestern University (I.G.), Evanston, IL; and University of North Carolina (D.K.), Chapel Hill
| | - Bradford C Dickerson
- From the Department of Neurology (P.W.T., A.B.D., N.R.G.-R., Z.K.W.), Mayo Clinic, Jacksonville, FL; Department of Neurology (R.S., D.E.B., R.H.G., J.G.-R., D.T.J., D.S.K., L.K.F., B.F.B.), Mayo Clinic, Rochester, MN; Division of Clinical Trials and Biostatistics (M.G.H.), Mayo Clinic, Jacksonville, FL; Massachusetts General Hospital (B.C.D., S.M.M.), Harvard University, Boston; University of California, Los Angeles (UCLA) (D.H.G., E.M.R., M.F.M.); Washington University (N.G.), St. Louis, MO; University of Pennsylvania (M.G., D.J.I.), Philadelphia; University of British Columbia (G.-Y.R.H.), Vancouver, Canada; Columbia University (E.D.H.), New York; Department of Neuroscience (R.R.), Mayo Clinic, Jacksonville, FL; University of California, San Francisco (UCSF) (H.W.H., A.L.B., H.J.R.); Johns Hopkins University School of Medicine (C.O.), Baltimore, MD; University of Toronto (C.T.), Ontario, Canada; University of Washington (K.D.-R.), Seattle; University of Alabama at Birmingham (E.D.R.); University of California, San Diego (UCSD) (I.L.); Case Western Reserve University (B.S.A.), Cleveland, OH; Northwestern University (I.G.), Evanston, IL; and University of North Carolina (D.K.), Chapel Hill
| | - Ralitza H Gavrilova
- From the Department of Neurology (P.W.T., A.B.D., N.R.G.-R., Z.K.W.), Mayo Clinic, Jacksonville, FL; Department of Neurology (R.S., D.E.B., R.H.G., J.G.-R., D.T.J., D.S.K., L.K.F., B.F.B.), Mayo Clinic, Rochester, MN; Division of Clinical Trials and Biostatistics (M.G.H.), Mayo Clinic, Jacksonville, FL; Massachusetts General Hospital (B.C.D., S.M.M.), Harvard University, Boston; University of California, Los Angeles (UCLA) (D.H.G., E.M.R., M.F.M.); Washington University (N.G.), St. Louis, MO; University of Pennsylvania (M.G., D.J.I.), Philadelphia; University of British Columbia (G.-Y.R.H.), Vancouver, Canada; Columbia University (E.D.H.), New York; Department of Neuroscience (R.R.), Mayo Clinic, Jacksonville, FL; University of California, San Francisco (UCSF) (H.W.H., A.L.B., H.J.R.); Johns Hopkins University School of Medicine (C.O.), Baltimore, MD; University of Toronto (C.T.), Ontario, Canada; University of Washington (K.D.-R.), Seattle; University of Alabama at Birmingham (E.D.R.); University of California, San Diego (UCSD) (I.L.); Case Western Reserve University (B.S.A.), Cleveland, OH; Northwestern University (I.G.), Evanston, IL; and University of North Carolina (D.K.), Chapel Hill
| | - Daniel H Geschwind
- From the Department of Neurology (P.W.T., A.B.D., N.R.G.-R., Z.K.W.), Mayo Clinic, Jacksonville, FL; Department of Neurology (R.S., D.E.B., R.H.G., J.G.-R., D.T.J., D.S.K., L.K.F., B.F.B.), Mayo Clinic, Rochester, MN; Division of Clinical Trials and Biostatistics (M.G.H.), Mayo Clinic, Jacksonville, FL; Massachusetts General Hospital (B.C.D., S.M.M.), Harvard University, Boston; University of California, Los Angeles (UCLA) (D.H.G., E.M.R., M.F.M.); Washington University (N.G.), St. Louis, MO; University of Pennsylvania (M.G., D.J.I.), Philadelphia; University of British Columbia (G.-Y.R.H.), Vancouver, Canada; Columbia University (E.D.H.), New York; Department of Neuroscience (R.R.), Mayo Clinic, Jacksonville, FL; University of California, San Francisco (UCSF) (H.W.H., A.L.B., H.J.R.); Johns Hopkins University School of Medicine (C.O.), Baltimore, MD; University of Toronto (C.T.), Ontario, Canada; University of Washington (K.D.-R.), Seattle; University of Alabama at Birmingham (E.D.R.); University of California, San Diego (UCSD) (I.L.); Case Western Reserve University (B.S.A.), Cleveland, OH; Northwestern University (I.G.), Evanston, IL; and University of North Carolina (D.K.), Chapel Hill
| | - Nupur Ghoshal
- From the Department of Neurology (P.W.T., A.B.D., N.R.G.-R., Z.K.W.), Mayo Clinic, Jacksonville, FL; Department of Neurology (R.S., D.E.B., R.H.G., J.G.-R., D.T.J., D.S.K., L.K.F., B.F.B.), Mayo Clinic, Rochester, MN; Division of Clinical Trials and Biostatistics (M.G.H.), Mayo Clinic, Jacksonville, FL; Massachusetts General Hospital (B.C.D., S.M.M.), Harvard University, Boston; University of California, Los Angeles (UCLA) (D.H.G., E.M.R., M.F.M.); Washington University (N.G.), St. Louis, MO; University of Pennsylvania (M.G., D.J.I.), Philadelphia; University of British Columbia (G.-Y.R.H.), Vancouver, Canada; Columbia University (E.D.H.), New York; Department of Neuroscience (R.R.), Mayo Clinic, Jacksonville, FL; University of California, San Francisco (UCSF) (H.W.H., A.L.B., H.J.R.); Johns Hopkins University School of Medicine (C.O.), Baltimore, MD; University of Toronto (C.T.), Ontario, Canada; University of Washington (K.D.-R.), Seattle; University of Alabama at Birmingham (E.D.R.); University of California, San Diego (UCSD) (I.L.); Case Western Reserve University (B.S.A.), Cleveland, OH; Northwestern University (I.G.), Evanston, IL; and University of North Carolina (D.K.), Chapel Hill
| | - Jonathan Graff-Radford
- From the Department of Neurology (P.W.T., A.B.D., N.R.G.-R., Z.K.W.), Mayo Clinic, Jacksonville, FL; Department of Neurology (R.S., D.E.B., R.H.G., J.G.-R., D.T.J., D.S.K., L.K.F., B.F.B.), Mayo Clinic, Rochester, MN; Division of Clinical Trials and Biostatistics (M.G.H.), Mayo Clinic, Jacksonville, FL; Massachusetts General Hospital (B.C.D., S.M.M.), Harvard University, Boston; University of California, Los Angeles (UCLA) (D.H.G., E.M.R., M.F.M.); Washington University (N.G.), St. Louis, MO; University of Pennsylvania (M.G., D.J.I.), Philadelphia; University of British Columbia (G.-Y.R.H.), Vancouver, Canada; Columbia University (E.D.H.), New York; Department of Neuroscience (R.R.), Mayo Clinic, Jacksonville, FL; University of California, San Francisco (UCSF) (H.W.H., A.L.B., H.J.R.); Johns Hopkins University School of Medicine (C.O.), Baltimore, MD; University of Toronto (C.T.), Ontario, Canada; University of Washington (K.D.-R.), Seattle; University of Alabama at Birmingham (E.D.R.); University of California, San Diego (UCSD) (I.L.); Case Western Reserve University (B.S.A.), Cleveland, OH; Northwestern University (I.G.), Evanston, IL; and University of North Carolina (D.K.), Chapel Hill
| | - Neill R Graff-Radford
- From the Department of Neurology (P.W.T., A.B.D., N.R.G.-R., Z.K.W.), Mayo Clinic, Jacksonville, FL; Department of Neurology (R.S., D.E.B., R.H.G., J.G.-R., D.T.J., D.S.K., L.K.F., B.F.B.), Mayo Clinic, Rochester, MN; Division of Clinical Trials and Biostatistics (M.G.H.), Mayo Clinic, Jacksonville, FL; Massachusetts General Hospital (B.C.D., S.M.M.), Harvard University, Boston; University of California, Los Angeles (UCLA) (D.H.G., E.M.R., M.F.M.); Washington University (N.G.), St. Louis, MO; University of Pennsylvania (M.G., D.J.I.), Philadelphia; University of British Columbia (G.-Y.R.H.), Vancouver, Canada; Columbia University (E.D.H.), New York; Department of Neuroscience (R.R.), Mayo Clinic, Jacksonville, FL; University of California, San Francisco (UCSF) (H.W.H., A.L.B., H.J.R.); Johns Hopkins University School of Medicine (C.O.), Baltimore, MD; University of Toronto (C.T.), Ontario, Canada; University of Washington (K.D.-R.), Seattle; University of Alabama at Birmingham (E.D.R.); University of California, San Diego (UCSD) (I.L.); Case Western Reserve University (B.S.A.), Cleveland, OH; Northwestern University (I.G.), Evanston, IL; and University of North Carolina (D.K.), Chapel Hill
| | - Murray Grossman
- From the Department of Neurology (P.W.T., A.B.D., N.R.G.-R., Z.K.W.), Mayo Clinic, Jacksonville, FL; Department of Neurology (R.S., D.E.B., R.H.G., J.G.-R., D.T.J., D.S.K., L.K.F., B.F.B.), Mayo Clinic, Rochester, MN; Division of Clinical Trials and Biostatistics (M.G.H.), Mayo Clinic, Jacksonville, FL; Massachusetts General Hospital (B.C.D., S.M.M.), Harvard University, Boston; University of California, Los Angeles (UCLA) (D.H.G., E.M.R., M.F.M.); Washington University (N.G.), St. Louis, MO; University of Pennsylvania (M.G., D.J.I.), Philadelphia; University of British Columbia (G.-Y.R.H.), Vancouver, Canada; Columbia University (E.D.H.), New York; Department of Neuroscience (R.R.), Mayo Clinic, Jacksonville, FL; University of California, San Francisco (UCSF) (H.W.H., A.L.B., H.J.R.); Johns Hopkins University School of Medicine (C.O.), Baltimore, MD; University of Toronto (C.T.), Ontario, Canada; University of Washington (K.D.-R.), Seattle; University of Alabama at Birmingham (E.D.R.); University of California, San Diego (UCSD) (I.L.); Case Western Reserve University (B.S.A.), Cleveland, OH; Northwestern University (I.G.), Evanston, IL; and University of North Carolina (D.K.), Chapel Hill
| | - Ging-Yuek R Hsiung
- From the Department of Neurology (P.W.T., A.B.D., N.R.G.-R., Z.K.W.), Mayo Clinic, Jacksonville, FL; Department of Neurology (R.S., D.E.B., R.H.G., J.G.-R., D.T.J., D.S.K., L.K.F., B.F.B.), Mayo Clinic, Rochester, MN; Division of Clinical Trials and Biostatistics (M.G.H.), Mayo Clinic, Jacksonville, FL; Massachusetts General Hospital (B.C.D., S.M.M.), Harvard University, Boston; University of California, Los Angeles (UCLA) (D.H.G., E.M.R., M.F.M.); Washington University (N.G.), St. Louis, MO; University of Pennsylvania (M.G., D.J.I.), Philadelphia; University of British Columbia (G.-Y.R.H.), Vancouver, Canada; Columbia University (E.D.H.), New York; Department of Neuroscience (R.R.), Mayo Clinic, Jacksonville, FL; University of California, San Francisco (UCSF) (H.W.H., A.L.B., H.J.R.); Johns Hopkins University School of Medicine (C.O.), Baltimore, MD; University of Toronto (C.T.), Ontario, Canada; University of Washington (K.D.-R.), Seattle; University of Alabama at Birmingham (E.D.R.); University of California, San Diego (UCSD) (I.L.); Case Western Reserve University (B.S.A.), Cleveland, OH; Northwestern University (I.G.), Evanston, IL; and University of North Carolina (D.K.), Chapel Hill
| | - Edward D Huey
- From the Department of Neurology (P.W.T., A.B.D., N.R.G.-R., Z.K.W.), Mayo Clinic, Jacksonville, FL; Department of Neurology (R.S., D.E.B., R.H.G., J.G.-R., D.T.J., D.S.K., L.K.F., B.F.B.), Mayo Clinic, Rochester, MN; Division of Clinical Trials and Biostatistics (M.G.H.), Mayo Clinic, Jacksonville, FL; Massachusetts General Hospital (B.C.D., S.M.M.), Harvard University, Boston; University of California, Los Angeles (UCLA) (D.H.G., E.M.R., M.F.M.); Washington University (N.G.), St. Louis, MO; University of Pennsylvania (M.G., D.J.I.), Philadelphia; University of British Columbia (G.-Y.R.H.), Vancouver, Canada; Columbia University (E.D.H.), New York; Department of Neuroscience (R.R.), Mayo Clinic, Jacksonville, FL; University of California, San Francisco (UCSF) (H.W.H., A.L.B., H.J.R.); Johns Hopkins University School of Medicine (C.O.), Baltimore, MD; University of Toronto (C.T.), Ontario, Canada; University of Washington (K.D.-R.), Seattle; University of Alabama at Birmingham (E.D.R.); University of California, San Diego (UCSD) (I.L.); Case Western Reserve University (B.S.A.), Cleveland, OH; Northwestern University (I.G.), Evanston, IL; and University of North Carolina (D.K.), Chapel Hill
| | - David John Irwin
- From the Department of Neurology (P.W.T., A.B.D., N.R.G.-R., Z.K.W.), Mayo Clinic, Jacksonville, FL; Department of Neurology (R.S., D.E.B., R.H.G., J.G.-R., D.T.J., D.S.K., L.K.F., B.F.B.), Mayo Clinic, Rochester, MN; Division of Clinical Trials and Biostatistics (M.G.H.), Mayo Clinic, Jacksonville, FL; Massachusetts General Hospital (B.C.D., S.M.M.), Harvard University, Boston; University of California, Los Angeles (UCLA) (D.H.G., E.M.R., M.F.M.); Washington University (N.G.), St. Louis, MO; University of Pennsylvania (M.G., D.J.I.), Philadelphia; University of British Columbia (G.-Y.R.H.), Vancouver, Canada; Columbia University (E.D.H.), New York; Department of Neuroscience (R.R.), Mayo Clinic, Jacksonville, FL; University of California, San Francisco (UCSF) (H.W.H., A.L.B., H.J.R.); Johns Hopkins University School of Medicine (C.O.), Baltimore, MD; University of Toronto (C.T.), Ontario, Canada; University of Washington (K.D.-R.), Seattle; University of Alabama at Birmingham (E.D.R.); University of California, San Diego (UCSD) (I.L.); Case Western Reserve University (B.S.A.), Cleveland, OH; Northwestern University (I.G.), Evanston, IL; and University of North Carolina (D.K.), Chapel Hill
| | - David T Jones
- From the Department of Neurology (P.W.T., A.B.D., N.R.G.-R., Z.K.W.), Mayo Clinic, Jacksonville, FL; Department of Neurology (R.S., D.E.B., R.H.G., J.G.-R., D.T.J., D.S.K., L.K.F., B.F.B.), Mayo Clinic, Rochester, MN; Division of Clinical Trials and Biostatistics (M.G.H.), Mayo Clinic, Jacksonville, FL; Massachusetts General Hospital (B.C.D., S.M.M.), Harvard University, Boston; University of California, Los Angeles (UCLA) (D.H.G., E.M.R., M.F.M.); Washington University (N.G.), St. Louis, MO; University of Pennsylvania (M.G., D.J.I.), Philadelphia; University of British Columbia (G.-Y.R.H.), Vancouver, Canada; Columbia University (E.D.H.), New York; Department of Neuroscience (R.R.), Mayo Clinic, Jacksonville, FL; University of California, San Francisco (UCSF) (H.W.H., A.L.B., H.J.R.); Johns Hopkins University School of Medicine (C.O.), Baltimore, MD; University of Toronto (C.T.), Ontario, Canada; University of Washington (K.D.-R.), Seattle; University of Alabama at Birmingham (E.D.R.); University of California, San Diego (UCSD) (I.L.); Case Western Reserve University (B.S.A.), Cleveland, OH; Northwestern University (I.G.), Evanston, IL; and University of North Carolina (D.K.), Chapel Hill
| | - David S Knopman
- From the Department of Neurology (P.W.T., A.B.D., N.R.G.-R., Z.K.W.), Mayo Clinic, Jacksonville, FL; Department of Neurology (R.S., D.E.B., R.H.G., J.G.-R., D.T.J., D.S.K., L.K.F., B.F.B.), Mayo Clinic, Rochester, MN; Division of Clinical Trials and Biostatistics (M.G.H.), Mayo Clinic, Jacksonville, FL; Massachusetts General Hospital (B.C.D., S.M.M.), Harvard University, Boston; University of California, Los Angeles (UCLA) (D.H.G., E.M.R., M.F.M.); Washington University (N.G.), St. Louis, MO; University of Pennsylvania (M.G., D.J.I.), Philadelphia; University of British Columbia (G.-Y.R.H.), Vancouver, Canada; Columbia University (E.D.H.), New York; Department of Neuroscience (R.R.), Mayo Clinic, Jacksonville, FL; University of California, San Francisco (UCSF) (H.W.H., A.L.B., H.J.R.); Johns Hopkins University School of Medicine (C.O.), Baltimore, MD; University of Toronto (C.T.), Ontario, Canada; University of Washington (K.D.-R.), Seattle; University of Alabama at Birmingham (E.D.R.); University of California, San Diego (UCSD) (I.L.); Case Western Reserve University (B.S.A.), Cleveland, OH; Northwestern University (I.G.), Evanston, IL; and University of North Carolina (D.K.), Chapel Hill
| | - Scott M McGinnis
- From the Department of Neurology (P.W.T., A.B.D., N.R.G.-R., Z.K.W.), Mayo Clinic, Jacksonville, FL; Department of Neurology (R.S., D.E.B., R.H.G., J.G.-R., D.T.J., D.S.K., L.K.F., B.F.B.), Mayo Clinic, Rochester, MN; Division of Clinical Trials and Biostatistics (M.G.H.), Mayo Clinic, Jacksonville, FL; Massachusetts General Hospital (B.C.D., S.M.M.), Harvard University, Boston; University of California, Los Angeles (UCLA) (D.H.G., E.M.R., M.F.M.); Washington University (N.G.), St. Louis, MO; University of Pennsylvania (M.G., D.J.I.), Philadelphia; University of British Columbia (G.-Y.R.H.), Vancouver, Canada; Columbia University (E.D.H.), New York; Department of Neuroscience (R.R.), Mayo Clinic, Jacksonville, FL; University of California, San Francisco (UCSF) (H.W.H., A.L.B., H.J.R.); Johns Hopkins University School of Medicine (C.O.), Baltimore, MD; University of Toronto (C.T.), Ontario, Canada; University of Washington (K.D.-R.), Seattle; University of Alabama at Birmingham (E.D.R.); University of California, San Diego (UCSD) (I.L.); Case Western Reserve University (B.S.A.), Cleveland, OH; Northwestern University (I.G.), Evanston, IL; and University of North Carolina (D.K.), Chapel Hill
| | - Rosa Rademakers
- From the Department of Neurology (P.W.T., A.B.D., N.R.G.-R., Z.K.W.), Mayo Clinic, Jacksonville, FL; Department of Neurology (R.S., D.E.B., R.H.G., J.G.-R., D.T.J., D.S.K., L.K.F., B.F.B.), Mayo Clinic, Rochester, MN; Division of Clinical Trials and Biostatistics (M.G.H.), Mayo Clinic, Jacksonville, FL; Massachusetts General Hospital (B.C.D., S.M.M.), Harvard University, Boston; University of California, Los Angeles (UCLA) (D.H.G., E.M.R., M.F.M.); Washington University (N.G.), St. Louis, MO; University of Pennsylvania (M.G., D.J.I.), Philadelphia; University of British Columbia (G.-Y.R.H.), Vancouver, Canada; Columbia University (E.D.H.), New York; Department of Neuroscience (R.R.), Mayo Clinic, Jacksonville, FL; University of California, San Francisco (UCSF) (H.W.H., A.L.B., H.J.R.); Johns Hopkins University School of Medicine (C.O.), Baltimore, MD; University of Toronto (C.T.), Ontario, Canada; University of Washington (K.D.-R.), Seattle; University of Alabama at Birmingham (E.D.R.); University of California, San Diego (UCSD) (I.L.); Case Western Reserve University (B.S.A.), Cleveland, OH; Northwestern University (I.G.), Evanston, IL; and University of North Carolina (D.K.), Chapel Hill
| | - Eliana Marisa Ramos
- From the Department of Neurology (P.W.T., A.B.D., N.R.G.-R., Z.K.W.), Mayo Clinic, Jacksonville, FL; Department of Neurology (R.S., D.E.B., R.H.G., J.G.-R., D.T.J., D.S.K., L.K.F., B.F.B.), Mayo Clinic, Rochester, MN; Division of Clinical Trials and Biostatistics (M.G.H.), Mayo Clinic, Jacksonville, FL; Massachusetts General Hospital (B.C.D., S.M.M.), Harvard University, Boston; University of California, Los Angeles (UCLA) (D.H.G., E.M.R., M.F.M.); Washington University (N.G.), St. Louis, MO; University of Pennsylvania (M.G., D.J.I.), Philadelphia; University of British Columbia (G.-Y.R.H.), Vancouver, Canada; Columbia University (E.D.H.), New York; Department of Neuroscience (R.R.), Mayo Clinic, Jacksonville, FL; University of California, San Francisco (UCSF) (H.W.H., A.L.B., H.J.R.); Johns Hopkins University School of Medicine (C.O.), Baltimore, MD; University of Toronto (C.T.), Ontario, Canada; University of Washington (K.D.-R.), Seattle; University of Alabama at Birmingham (E.D.R.); University of California, San Diego (UCSD) (I.L.); Case Western Reserve University (B.S.A.), Cleveland, OH; Northwestern University (I.G.), Evanston, IL; and University of North Carolina (D.K.), Chapel Hill
| | - Leah K Forsberg
- From the Department of Neurology (P.W.T., A.B.D., N.R.G.-R., Z.K.W.), Mayo Clinic, Jacksonville, FL; Department of Neurology (R.S., D.E.B., R.H.G., J.G.-R., D.T.J., D.S.K., L.K.F., B.F.B.), Mayo Clinic, Rochester, MN; Division of Clinical Trials and Biostatistics (M.G.H.), Mayo Clinic, Jacksonville, FL; Massachusetts General Hospital (B.C.D., S.M.M.), Harvard University, Boston; University of California, Los Angeles (UCLA) (D.H.G., E.M.R., M.F.M.); Washington University (N.G.), St. Louis, MO; University of Pennsylvania (M.G., D.J.I.), Philadelphia; University of British Columbia (G.-Y.R.H.), Vancouver, Canada; Columbia University (E.D.H.), New York; Department of Neuroscience (R.R.), Mayo Clinic, Jacksonville, FL; University of California, San Francisco (UCSF) (H.W.H., A.L.B., H.J.R.); Johns Hopkins University School of Medicine (C.O.), Baltimore, MD; University of Toronto (C.T.), Ontario, Canada; University of Washington (K.D.-R.), Seattle; University of Alabama at Birmingham (E.D.R.); University of California, San Diego (UCSD) (I.L.); Case Western Reserve University (B.S.A.), Cleveland, OH; Northwestern University (I.G.), Evanston, IL; and University of North Carolina (D.K.), Chapel Hill
| | - Hilary W Heuer
- From the Department of Neurology (P.W.T., A.B.D., N.R.G.-R., Z.K.W.), Mayo Clinic, Jacksonville, FL; Department of Neurology (R.S., D.E.B., R.H.G., J.G.-R., D.T.J., D.S.K., L.K.F., B.F.B.), Mayo Clinic, Rochester, MN; Division of Clinical Trials and Biostatistics (M.G.H.), Mayo Clinic, Jacksonville, FL; Massachusetts General Hospital (B.C.D., S.M.M.), Harvard University, Boston; University of California, Los Angeles (UCLA) (D.H.G., E.M.R., M.F.M.); Washington University (N.G.), St. Louis, MO; University of Pennsylvania (M.G., D.J.I.), Philadelphia; University of British Columbia (G.-Y.R.H.), Vancouver, Canada; Columbia University (E.D.H.), New York; Department of Neuroscience (R.R.), Mayo Clinic, Jacksonville, FL; University of California, San Francisco (UCSF) (H.W.H., A.L.B., H.J.R.); Johns Hopkins University School of Medicine (C.O.), Baltimore, MD; University of Toronto (C.T.), Ontario, Canada; University of Washington (K.D.-R.), Seattle; University of Alabama at Birmingham (E.D.R.); University of California, San Diego (UCSD) (I.L.); Case Western Reserve University (B.S.A.), Cleveland, OH; Northwestern University (I.G.), Evanston, IL; and University of North Carolina (D.K.), Chapel Hill
| | - Chiadi Onyike
- From the Department of Neurology (P.W.T., A.B.D., N.R.G.-R., Z.K.W.), Mayo Clinic, Jacksonville, FL; Department of Neurology (R.S., D.E.B., R.H.G., J.G.-R., D.T.J., D.S.K., L.K.F., B.F.B.), Mayo Clinic, Rochester, MN; Division of Clinical Trials and Biostatistics (M.G.H.), Mayo Clinic, Jacksonville, FL; Massachusetts General Hospital (B.C.D., S.M.M.), Harvard University, Boston; University of California, Los Angeles (UCLA) (D.H.G., E.M.R., M.F.M.); Washington University (N.G.), St. Louis, MO; University of Pennsylvania (M.G., D.J.I.), Philadelphia; University of British Columbia (G.-Y.R.H.), Vancouver, Canada; Columbia University (E.D.H.), New York; Department of Neuroscience (R.R.), Mayo Clinic, Jacksonville, FL; University of California, San Francisco (UCSF) (H.W.H., A.L.B., H.J.R.); Johns Hopkins University School of Medicine (C.O.), Baltimore, MD; University of Toronto (C.T.), Ontario, Canada; University of Washington (K.D.-R.), Seattle; University of Alabama at Birmingham (E.D.R.); University of California, San Diego (UCSD) (I.L.); Case Western Reserve University (B.S.A.), Cleveland, OH; Northwestern University (I.G.), Evanston, IL; and University of North Carolina (D.K.), Chapel Hill
| | - Carmela Tartaglia
- From the Department of Neurology (P.W.T., A.B.D., N.R.G.-R., Z.K.W.), Mayo Clinic, Jacksonville, FL; Department of Neurology (R.S., D.E.B., R.H.G., J.G.-R., D.T.J., D.S.K., L.K.F., B.F.B.), Mayo Clinic, Rochester, MN; Division of Clinical Trials and Biostatistics (M.G.H.), Mayo Clinic, Jacksonville, FL; Massachusetts General Hospital (B.C.D., S.M.M.), Harvard University, Boston; University of California, Los Angeles (UCLA) (D.H.G., E.M.R., M.F.M.); Washington University (N.G.), St. Louis, MO; University of Pennsylvania (M.G., D.J.I.), Philadelphia; University of British Columbia (G.-Y.R.H.), Vancouver, Canada; Columbia University (E.D.H.), New York; Department of Neuroscience (R.R.), Mayo Clinic, Jacksonville, FL; University of California, San Francisco (UCSF) (H.W.H., A.L.B., H.J.R.); Johns Hopkins University School of Medicine (C.O.), Baltimore, MD; University of Toronto (C.T.), Ontario, Canada; University of Washington (K.D.-R.), Seattle; University of Alabama at Birmingham (E.D.R.); University of California, San Diego (UCSD) (I.L.); Case Western Reserve University (B.S.A.), Cleveland, OH; Northwestern University (I.G.), Evanston, IL; and University of North Carolina (D.K.), Chapel Hill
| | - Kimiko Domoto-Reilly
- From the Department of Neurology (P.W.T., A.B.D., N.R.G.-R., Z.K.W.), Mayo Clinic, Jacksonville, FL; Department of Neurology (R.S., D.E.B., R.H.G., J.G.-R., D.T.J., D.S.K., L.K.F., B.F.B.), Mayo Clinic, Rochester, MN; Division of Clinical Trials and Biostatistics (M.G.H.), Mayo Clinic, Jacksonville, FL; Massachusetts General Hospital (B.C.D., S.M.M.), Harvard University, Boston; University of California, Los Angeles (UCLA) (D.H.G., E.M.R., M.F.M.); Washington University (N.G.), St. Louis, MO; University of Pennsylvania (M.G., D.J.I.), Philadelphia; University of British Columbia (G.-Y.R.H.), Vancouver, Canada; Columbia University (E.D.H.), New York; Department of Neuroscience (R.R.), Mayo Clinic, Jacksonville, FL; University of California, San Francisco (UCSF) (H.W.H., A.L.B., H.J.R.); Johns Hopkins University School of Medicine (C.O.), Baltimore, MD; University of Toronto (C.T.), Ontario, Canada; University of Washington (K.D.-R.), Seattle; University of Alabama at Birmingham (E.D.R.); University of California, San Diego (UCSD) (I.L.); Case Western Reserve University (B.S.A.), Cleveland, OH; Northwestern University (I.G.), Evanston, IL; and University of North Carolina (D.K.), Chapel Hill
| | - Erik D Roberson
- From the Department of Neurology (P.W.T., A.B.D., N.R.G.-R., Z.K.W.), Mayo Clinic, Jacksonville, FL; Department of Neurology (R.S., D.E.B., R.H.G., J.G.-R., D.T.J., D.S.K., L.K.F., B.F.B.), Mayo Clinic, Rochester, MN; Division of Clinical Trials and Biostatistics (M.G.H.), Mayo Clinic, Jacksonville, FL; Massachusetts General Hospital (B.C.D., S.M.M.), Harvard University, Boston; University of California, Los Angeles (UCLA) (D.H.G., E.M.R., M.F.M.); Washington University (N.G.), St. Louis, MO; University of Pennsylvania (M.G., D.J.I.), Philadelphia; University of British Columbia (G.-Y.R.H.), Vancouver, Canada; Columbia University (E.D.H.), New York; Department of Neuroscience (R.R.), Mayo Clinic, Jacksonville, FL; University of California, San Francisco (UCSF) (H.W.H., A.L.B., H.J.R.); Johns Hopkins University School of Medicine (C.O.), Baltimore, MD; University of Toronto (C.T.), Ontario, Canada; University of Washington (K.D.-R.), Seattle; University of Alabama at Birmingham (E.D.R.); University of California, San Diego (UCSD) (I.L.); Case Western Reserve University (B.S.A.), Cleveland, OH; Northwestern University (I.G.), Evanston, IL; and University of North Carolina (D.K.), Chapel Hill
| | - Mario F Mendez
- From the Department of Neurology (P.W.T., A.B.D., N.R.G.-R., Z.K.W.), Mayo Clinic, Jacksonville, FL; Department of Neurology (R.S., D.E.B., R.H.G., J.G.-R., D.T.J., D.S.K., L.K.F., B.F.B.), Mayo Clinic, Rochester, MN; Division of Clinical Trials and Biostatistics (M.G.H.), Mayo Clinic, Jacksonville, FL; Massachusetts General Hospital (B.C.D., S.M.M.), Harvard University, Boston; University of California, Los Angeles (UCLA) (D.H.G., E.M.R., M.F.M.); Washington University (N.G.), St. Louis, MO; University of Pennsylvania (M.G., D.J.I.), Philadelphia; University of British Columbia (G.-Y.R.H.), Vancouver, Canada; Columbia University (E.D.H.), New York; Department of Neuroscience (R.R.), Mayo Clinic, Jacksonville, FL; University of California, San Francisco (UCSF) (H.W.H., A.L.B., H.J.R.); Johns Hopkins University School of Medicine (C.O.), Baltimore, MD; University of Toronto (C.T.), Ontario, Canada; University of Washington (K.D.-R.), Seattle; University of Alabama at Birmingham (E.D.R.); University of California, San Diego (UCSD) (I.L.); Case Western Reserve University (B.S.A.), Cleveland, OH; Northwestern University (I.G.), Evanston, IL; and University of North Carolina (D.K.), Chapel Hill
| | - Irene Litvan
- From the Department of Neurology (P.W.T., A.B.D., N.R.G.-R., Z.K.W.), Mayo Clinic, Jacksonville, FL; Department of Neurology (R.S., D.E.B., R.H.G., J.G.-R., D.T.J., D.S.K., L.K.F., B.F.B.), Mayo Clinic, Rochester, MN; Division of Clinical Trials and Biostatistics (M.G.H.), Mayo Clinic, Jacksonville, FL; Massachusetts General Hospital (B.C.D., S.M.M.), Harvard University, Boston; University of California, Los Angeles (UCLA) (D.H.G., E.M.R., M.F.M.); Washington University (N.G.), St. Louis, MO; University of Pennsylvania (M.G., D.J.I.), Philadelphia; University of British Columbia (G.-Y.R.H.), Vancouver, Canada; Columbia University (E.D.H.), New York; Department of Neuroscience (R.R.), Mayo Clinic, Jacksonville, FL; University of California, San Francisco (UCSF) (H.W.H., A.L.B., H.J.R.); Johns Hopkins University School of Medicine (C.O.), Baltimore, MD; University of Toronto (C.T.), Ontario, Canada; University of Washington (K.D.-R.), Seattle; University of Alabama at Birmingham (E.D.R.); University of California, San Diego (UCSD) (I.L.); Case Western Reserve University (B.S.A.), Cleveland, OH; Northwestern University (I.G.), Evanston, IL; and University of North Carolina (D.K.), Chapel Hill
| | - Brian S Appleby
- From the Department of Neurology (P.W.T., A.B.D., N.R.G.-R., Z.K.W.), Mayo Clinic, Jacksonville, FL; Department of Neurology (R.S., D.E.B., R.H.G., J.G.-R., D.T.J., D.S.K., L.K.F., B.F.B.), Mayo Clinic, Rochester, MN; Division of Clinical Trials and Biostatistics (M.G.H.), Mayo Clinic, Jacksonville, FL; Massachusetts General Hospital (B.C.D., S.M.M.), Harvard University, Boston; University of California, Los Angeles (UCLA) (D.H.G., E.M.R., M.F.M.); Washington University (N.G.), St. Louis, MO; University of Pennsylvania (M.G., D.J.I.), Philadelphia; University of British Columbia (G.-Y.R.H.), Vancouver, Canada; Columbia University (E.D.H.), New York; Department of Neuroscience (R.R.), Mayo Clinic, Jacksonville, FL; University of California, San Francisco (UCSF) (H.W.H., A.L.B., H.J.R.); Johns Hopkins University School of Medicine (C.O.), Baltimore, MD; University of Toronto (C.T.), Ontario, Canada; University of Washington (K.D.-R.), Seattle; University of Alabama at Birmingham (E.D.R.); University of California, San Diego (UCSD) (I.L.); Case Western Reserve University (B.S.A.), Cleveland, OH; Northwestern University (I.G.), Evanston, IL; and University of North Carolina (D.K.), Chapel Hill
| | - Ian Grant
- From the Department of Neurology (P.W.T., A.B.D., N.R.G.-R., Z.K.W.), Mayo Clinic, Jacksonville, FL; Department of Neurology (R.S., D.E.B., R.H.G., J.G.-R., D.T.J., D.S.K., L.K.F., B.F.B.), Mayo Clinic, Rochester, MN; Division of Clinical Trials and Biostatistics (M.G.H.), Mayo Clinic, Jacksonville, FL; Massachusetts General Hospital (B.C.D., S.M.M.), Harvard University, Boston; University of California, Los Angeles (UCLA) (D.H.G., E.M.R., M.F.M.); Washington University (N.G.), St. Louis, MO; University of Pennsylvania (M.G., D.J.I.), Philadelphia; University of British Columbia (G.-Y.R.H.), Vancouver, Canada; Columbia University (E.D.H.), New York; Department of Neuroscience (R.R.), Mayo Clinic, Jacksonville, FL; University of California, San Francisco (UCSF) (H.W.H., A.L.B., H.J.R.); Johns Hopkins University School of Medicine (C.O.), Baltimore, MD; University of Toronto (C.T.), Ontario, Canada; University of Washington (K.D.-R.), Seattle; University of Alabama at Birmingham (E.D.R.); University of California, San Diego (UCSD) (I.L.); Case Western Reserve University (B.S.A.), Cleveland, OH; Northwestern University (I.G.), Evanston, IL; and University of North Carolina (D.K.), Chapel Hill
| | - Daniel Kaufer
- From the Department of Neurology (P.W.T., A.B.D., N.R.G.-R., Z.K.W.), Mayo Clinic, Jacksonville, FL; Department of Neurology (R.S., D.E.B., R.H.G., J.G.-R., D.T.J., D.S.K., L.K.F., B.F.B.), Mayo Clinic, Rochester, MN; Division of Clinical Trials and Biostatistics (M.G.H.), Mayo Clinic, Jacksonville, FL; Massachusetts General Hospital (B.C.D., S.M.M.), Harvard University, Boston; University of California, Los Angeles (UCLA) (D.H.G., E.M.R., M.F.M.); Washington University (N.G.), St. Louis, MO; University of Pennsylvania (M.G., D.J.I.), Philadelphia; University of British Columbia (G.-Y.R.H.), Vancouver, Canada; Columbia University (E.D.H.), New York; Department of Neuroscience (R.R.), Mayo Clinic, Jacksonville, FL; University of California, San Francisco (UCSF) (H.W.H., A.L.B., H.J.R.); Johns Hopkins University School of Medicine (C.O.), Baltimore, MD; University of Toronto (C.T.), Ontario, Canada; University of Washington (K.D.-R.), Seattle; University of Alabama at Birmingham (E.D.R.); University of California, San Diego (UCSD) (I.L.); Case Western Reserve University (B.S.A.), Cleveland, OH; Northwestern University (I.G.), Evanston, IL; and University of North Carolina (D.K.), Chapel Hill
| | - Adam L Boxer
- From the Department of Neurology (P.W.T., A.B.D., N.R.G.-R., Z.K.W.), Mayo Clinic, Jacksonville, FL; Department of Neurology (R.S., D.E.B., R.H.G., J.G.-R., D.T.J., D.S.K., L.K.F., B.F.B.), Mayo Clinic, Rochester, MN; Division of Clinical Trials and Biostatistics (M.G.H.), Mayo Clinic, Jacksonville, FL; Massachusetts General Hospital (B.C.D., S.M.M.), Harvard University, Boston; University of California, Los Angeles (UCLA) (D.H.G., E.M.R., M.F.M.); Washington University (N.G.), St. Louis, MO; University of Pennsylvania (M.G., D.J.I.), Philadelphia; University of British Columbia (G.-Y.R.H.), Vancouver, Canada; Columbia University (E.D.H.), New York; Department of Neuroscience (R.R.), Mayo Clinic, Jacksonville, FL; University of California, San Francisco (UCSF) (H.W.H., A.L.B., H.J.R.); Johns Hopkins University School of Medicine (C.O.), Baltimore, MD; University of Toronto (C.T.), Ontario, Canada; University of Washington (K.D.-R.), Seattle; University of Alabama at Birmingham (E.D.R.); University of California, San Diego (UCSD) (I.L.); Case Western Reserve University (B.S.A.), Cleveland, OH; Northwestern University (I.G.), Evanston, IL; and University of North Carolina (D.K.), Chapel Hill
| | - Howard J Rosen
- From the Department of Neurology (P.W.T., A.B.D., N.R.G.-R., Z.K.W.), Mayo Clinic, Jacksonville, FL; Department of Neurology (R.S., D.E.B., R.H.G., J.G.-R., D.T.J., D.S.K., L.K.F., B.F.B.), Mayo Clinic, Rochester, MN; Division of Clinical Trials and Biostatistics (M.G.H.), Mayo Clinic, Jacksonville, FL; Massachusetts General Hospital (B.C.D., S.M.M.), Harvard University, Boston; University of California, Los Angeles (UCLA) (D.H.G., E.M.R., M.F.M.); Washington University (N.G.), St. Louis, MO; University of Pennsylvania (M.G., D.J.I.), Philadelphia; University of British Columbia (G.-Y.R.H.), Vancouver, Canada; Columbia University (E.D.H.), New York; Department of Neuroscience (R.R.), Mayo Clinic, Jacksonville, FL; University of California, San Francisco (UCSF) (H.W.H., A.L.B., H.J.R.); Johns Hopkins University School of Medicine (C.O.), Baltimore, MD; University of Toronto (C.T.), Ontario, Canada; University of Washington (K.D.-R.), Seattle; University of Alabama at Birmingham (E.D.R.); University of California, San Diego (UCSD) (I.L.); Case Western Reserve University (B.S.A.), Cleveland, OH; Northwestern University (I.G.), Evanston, IL; and University of North Carolina (D.K.), Chapel Hill
| | - Brad F Boeve
- From the Department of Neurology (P.W.T., A.B.D., N.R.G.-R., Z.K.W.), Mayo Clinic, Jacksonville, FL; Department of Neurology (R.S., D.E.B., R.H.G., J.G.-R., D.T.J., D.S.K., L.K.F., B.F.B.), Mayo Clinic, Rochester, MN; Division of Clinical Trials and Biostatistics (M.G.H.), Mayo Clinic, Jacksonville, FL; Massachusetts General Hospital (B.C.D., S.M.M.), Harvard University, Boston; University of California, Los Angeles (UCLA) (D.H.G., E.M.R., M.F.M.); Washington University (N.G.), St. Louis, MO; University of Pennsylvania (M.G., D.J.I.), Philadelphia; University of British Columbia (G.-Y.R.H.), Vancouver, Canada; Columbia University (E.D.H.), New York; Department of Neuroscience (R.R.), Mayo Clinic, Jacksonville, FL; University of California, San Francisco (UCSF) (H.W.H., A.L.B., H.J.R.); Johns Hopkins University School of Medicine (C.O.), Baltimore, MD; University of Toronto (C.T.), Ontario, Canada; University of Washington (K.D.-R.), Seattle; University of Alabama at Birmingham (E.D.R.); University of California, San Diego (UCSD) (I.L.); Case Western Reserve University (B.S.A.), Cleveland, OH; Northwestern University (I.G.), Evanston, IL; and University of North Carolina (D.K.), Chapel Hill
| | - Zbigniew K Wszolek
- From the Department of Neurology (P.W.T., A.B.D., N.R.G.-R., Z.K.W.), Mayo Clinic, Jacksonville, FL; Department of Neurology (R.S., D.E.B., R.H.G., J.G.-R., D.T.J., D.S.K., L.K.F., B.F.B.), Mayo Clinic, Rochester, MN; Division of Clinical Trials and Biostatistics (M.G.H.), Mayo Clinic, Jacksonville, FL; Massachusetts General Hospital (B.C.D., S.M.M.), Harvard University, Boston; University of California, Los Angeles (UCLA) (D.H.G., E.M.R., M.F.M.); Washington University (N.G.), St. Louis, MO; University of Pennsylvania (M.G., D.J.I.), Philadelphia; University of British Columbia (G.-Y.R.H.), Vancouver, Canada; Columbia University (E.D.H.), New York; Department of Neuroscience (R.R.), Mayo Clinic, Jacksonville, FL; University of California, San Francisco (UCSF) (H.W.H., A.L.B., H.J.R.); Johns Hopkins University School of Medicine (C.O.), Baltimore, MD; University of Toronto (C.T.), Ontario, Canada; University of Washington (K.D.-R.), Seattle; University of Alabama at Birmingham (E.D.R.); University of California, San Diego (UCSD) (I.L.); Case Western Reserve University (B.S.A.), Cleveland, OH; Northwestern University (I.G.), Evanston, IL; and University of North Carolina (D.K.), Chapel Hill
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