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Chogle A, El-Chammas K, Santucci N, Grimm M, Dorfman L, Graham K, Kelly DR, Dranove JE, Rosen R, Nurko S, Croffie J, Balakrishnan K, Chiou EH, Zhang L, Simpson P, Karrento K. A multicenter registry study on percutaneous electrical nerve field stimulation for pediatric disorders of gut-brain interaction. J Pediatr Gastroenterol Nutr 2024; 78:817-826. [PMID: 38451058 DOI: 10.1002/jpn3.12174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 01/02/2024] [Accepted: 02/03/2024] [Indexed: 03/08/2024]
Abstract
OBJECTIVES Percutaneous electrical nerve field stimulation (PENFS) has demonstrated promise in single-center trials for pediatric abdominal pain-related disorders of gut-brain interaction (DGBI). Our aim was to explore efficacy of PENFS as standard therapy for DGBI in a registry involving multiple pediatric gastroenterology referral centers. METHODS This was a multicenter, prospective open-label registry of children (8-18 years) undergoing PENFS for DGBI at seven tertiary care gastroenterology clinics. DGBI subtypes were classified by Rome IV criteria. Parents and patients completed Abdominal Pain Index (API), Nausea Severity Scale (NSS), and Functional Disability Inventory (FDI) questionnaires before, during therapy and at follow-up visits up to 1 year later. RESULTS A total of 292 subjects were included. Majority (74%) were female with median (interquartile range [IQR]) age 16.3 (14.0, 17.7) years. Most (68%) met criteria for functional dyspepsia and 61% had failed ≥4 pharmacologic therapies. API, NSS, and FDI scores showed significant declines within 3 weeks of therapy, persisting long-term in a subset. Baseline (n = 288) median (IQR) child-reported API scores decreased from 2.68 (1.84, 3.58) to 1.99 (1.13, 3.27) at 3 weeks (p < 0.001) and 1.81 (0.85, 3.20) at 3 months (n = 75; p < 0.001). NSS scores similarly improved from baseline, persisting at three (n = 74; p < 0.001) and 6 months later (n = 55; p < 0.001). FDI scores displayed similar reductions at 3 months (n = 76; p = 0.01) but not beyond. Parent-reported scores were consistent with child reports. CONCLUSIONS This large, comprehensive, multicenter registry highlights efficacy of PENFS for gastrointestinal symptoms and functionality for pediatric DGBI.
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Affiliation(s)
- Ashish Chogle
- Department of Pediatrics, Division of Pediatric Gastroenterology, Hepatology and Nutrition, Children's Hospital of Orange County, Orange, California, USA
| | - Khalil El-Chammas
- Department of Pediatrics, Division of Pediatric Gastroenterology, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| | - Neha Santucci
- Department of Pediatrics, Division of Pediatric Gastroenterology, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| | - Monica Grimm
- Department of Pediatrics, Division of Pediatric Gastroenterology, Hepatology and Nutrition & Division of Quantitative Health Sciences, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - Lev Dorfman
- Department of Pediatrics, Division of Pediatric Gastroenterology, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| | - Kahleb Graham
- Department of Pediatrics, Division of Pediatric Gastroenterology, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| | - Daniel R Kelly
- Department of Pediatric Gastroenterology, Hepatology and Nutrition, Atrium Health Levine Children's Hospital, Charlotte, North Carolina, USA
| | - Jason E Dranove
- Department of Pediatric Gastroenterology, Hepatology and Nutrition, Atrium Health Levine Children's Hospital, Charlotte, North Carolina, USA
| | - Rachel Rosen
- Center for Motility and Functional Gastrointestinal Disorders, Division of Gastroenterology, Children's Hospital Boston, Boston, Massachusetts, USA
| | - Samuel Nurko
- Center for Motility and Functional Gastrointestinal Disorders, Division of Gastroenterology, Children's Hospital Boston, Boston, Massachusetts, USA
| | - Joseph Croffie
- Department of Pediatrics, Division of Pediatric Gastroenterology, Hepatology & Nutrition, Riley Hospital for Children, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Keshawadhana Balakrishnan
- Department of Pediatrics, Division of Pediatric Gastroenterology, Hepatology, and Nutrition, Texas Children's Hospital, Baylor College of Medicine, Houston, Texas, USA
| | - Eric H Chiou
- Department of Pediatrics, Division of Pediatric Gastroenterology, Hepatology, and Nutrition, Texas Children's Hospital, Baylor College of Medicine, Houston, Texas, USA
| | - Liyun Zhang
- Department of Pediatrics, Division of Pediatric Gastroenterology, Hepatology and Nutrition & Division of Quantitative Health Sciences, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - Pippa Simpson
- Department of Pediatrics, Division of Pediatric Gastroenterology, Hepatology and Nutrition & Division of Quantitative Health Sciences, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - Katja Karrento
- Department of Pediatrics, Division of Pediatric Gastroenterology, Hepatology and Nutrition & Division of Quantitative Health Sciences, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
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Gikaro JM, Bigambo FM, Minde VM, Swai EA. Efficacy of electrophysical agents in fibromyalgia: A systematic review and network meta-analysis. Clin Rehabil 2023; 37:1295-1310. [PMID: 37082791 DOI: 10.1177/02692155231170450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/22/2023]
Abstract
OBJECTIVE To examine the effectiveness of electrophysical agents in fibromyalgia. DATA SOURCES CINAHL, Cochrane Library, Embase, Medline, PEDro, and Web of Science were searched from their inceptions to March 27, 2023. METHODS This study was registered in PROSPERO (CRD42022354326). Methodological quality of included trials was assessed using PEDro scale, and the quality of evidence was determined according to the Grading of Recommendations Assessment, Development, and Evaluation system. The primary outcomes were pain, functional status, and mood. RESULTS Fifty-four studies involving 3045 patients with fibromyalgia were eligible for qualitative synthesis and 47 (pain), 31 (functional status), and 26 (mood) for network meta-analysis. The network consistency model revealed that, when compared with true control, transcutaneous electrical nerve stimulation and microcurrent improved pain symptoms (P = 0.006 and P = 0.037, respectively); repetitive transcranial magnetic stimulation improved patient functional status (P = 0.018); and microcurrent (P = 0.001), repetitive transcranial magnetic stimulation (P = 0.022), and no treatment (P = 0.038) significantly improved mood after intervention. Surface under the cumulative ranking indicated that microcurrent was most likely to be the best for managing pain and mood (surface under the cumulative ranking: 70% and 100%, respectively); low-level laser therapy for pain and mood (80% and 70%, respectively); and repetitive transcranial magnetic stimulation for improving functional status and mood (80% and 70%, respectively). CONCLUSION This review found low to moderate quality evidence that microcurrent, laser therapy, and repetitive transcranial magnetic stimulation are the most effective electrophysical agents for improving at least one outcome in fibromyalgia.
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Affiliation(s)
- John Marwa Gikaro
- Department of Physiotherapy, Kilimanjaro Christian Medical University College, Moshi, Tanzania
| | - Francis Manyori Bigambo
- Department of Orthopedics and Neurosurgery, Muhimbili Orthopaedic Institute, Dar Es Salaam, Tanzania
| | - Victor Mark Minde
- Department of Physiotherapy, Kilimanjaro Christian Medical University College, Moshi, Tanzania
| | - Elia Asanterabi Swai
- Department of Physiotherapy, Kilimanjaro Christian Medical University College, Moshi, Tanzania
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Karrento K, Zhang L, Conley W, Qazi Z, Venkatesan T, Simpson P, Li BU. Percutaneous electrical nerve field stimulation improves comorbidities in children with cyclic vomiting syndrome. FRONTIERS IN PAIN RESEARCH 2023; 4:1203541. [PMID: 37389229 PMCID: PMC10300638 DOI: 10.3389/fpain.2023.1203541] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Accepted: 05/23/2023] [Indexed: 07/01/2023] Open
Abstract
Introduction Children with cyclic vomiting syndrome (CVS) frequently suffer from disabling abdominal pain and comorbidities that impair quality of life. A noninvasive, auricular percutaneous electrical nerve field stimulation (PENFS) device is shown to be effective for abdominal pain in children with disorders of gut-brain interaction. We aimed to determine the effects of PENFS on pain, common comorbidities, and quality of life in pediatric CVS. Methods Children aged 8-18 years with drug-refractory CVS were enrolled in a prospective, open-label study receiving 6 consecutive weeks of PENFS. Subjects completed the following surveys at baseline, during/after therapy (week 6), and at extended follow-up approximately 4-6 months later: Abdominal Pain Index (API), State-Trait Anxiety Inventory for Children (STAI-C), Pittsburgh Sleep Quality Index (PSQI), and Patient Reported Outcome Measurement Information System (PROMIS) Pediatric Profile-37. Results Thirty subjects were included. Median (interquartile range, IQR) age was 10.5 (8.5-15.5) years; 60% were female. Median API scores decreased from baseline to week 6 (p = 0.003) and to extended follow-up (p < 0.0001). State anxiety scores decreased from baseline to week 6 (p < 0.0001) and to extended follow-up (p < 0.0001). There were short-term improvements in sleep at 6 weeks (p = 0.031) but not at extended follow-up (p = 0.22). Quality of life measures of physical function, anxiety, fatigue, and pain interference improved short-term, while there were long-term benefits for anxiety. No serious side effects were reported. Conclusions This is the first study to demonstrate the efficacy of auricular neurostimulation using PENFS for pain and several disabling comorbidities in pediatric CVS. PENFS improves anxiety, sleep, and several aspects of quality of life with long-term benefits for anxiety.Clinical trial registration: ClinicalTrials.gov, identifier NCT03434652.
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Affiliation(s)
- Katja Karrento
- Division of Pediatric Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI, United States
| | - Liyun Zhang
- Division of Quantitative Health Sciences, Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI, United States
| | - William Conley
- Division of Pediatric Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI, United States
| | - Zeeshan Qazi
- Division of Pediatric Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI, United States
| | - Thangam Venkatesan
- Division of Gastroenterology, The Ohio State University, Columbus, OH, United States
| | - Pippa Simpson
- Division of Quantitative Health Sciences, Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI, United States
| | - B U.K. Li
- Division of Pediatric Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI, United States
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Bora G, Atkinson SN, Pan A, Sood M, Salzman N, Karrento K. Impact of auricular percutaneous electrical nerve field stimulation on gut microbiome in adolescents with irritable bowel syndrome: A pilot study. J Dig Dis 2023; 24:348-358. [PMID: 37448237 DOI: 10.1111/1751-2980.13203] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 05/07/2023] [Accepted: 07/11/2023] [Indexed: 07/15/2023]
Abstract
OBJECTIVES Percutaneous electrical nerve field stimulation (PENFS) has documented efficacy for irritable bowel syndrome (IBS) via plausible vagal neuromodulation effects. The vagus nerve may affect gut microbiome composition via brain-gut-microbiome signaling. We aimed to investigate gut microbiome alterations by PENFS therapy in adolescent IBS patients. METHODS A prospective study of females with IBS aged 11-18 years receiving PENFS therapy for 4 weeks with pre- and post-intervention stool sampling was conducted. Outcome surveys completed pre-therapy, weekly, and post-therapy included IBS-Severity Scoring System (IBS-SSS), Visceral Sensitivity Index (VSI), Functional Disability Inventory (FDI), and the global symptom response scale (SRS). Bacterial DNA was extracted from stool samples followed by 16S rRNA amplification and sequencing. QIIME 2 (version 2022.2) was used for analyses of α and β diversity and differential abundance by group. RESULTS Twenty females aged 15.6 ± 1.62 years were included. IBS-SSS, VSI, and FDI scores decreased significantly after PENFS therapy (P < 0.0001, P = 0.0003, P = 0.0004, respectively). No intra- or interindividual microbiome changes were noted pre- versus post-therapy or between responders and non-responders. When response was defined by 50-point IBS-SSS score reduction, α diversity was higher in responders compared with non-responders at week 4 (P = 0.033). There was higher abundance of Blautia in excellent responders versus non-responders. CONCLUSIONS There were no substantial microbial diversity alterations with PENFS. Subjects with excellent therapeutic response showed an enrichment of relative abundance of Blautia, which may indicate that patients with specific microbial signature have a more favorable response to PENFS.
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Affiliation(s)
- Geetanjali Bora
- Division of Pediatric Gastroenterology, Hepatology, and Nutrition, Department of Pediatrics, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - Samantha N Atkinson
- Department of Microbiology and Immunology, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
- Center for Microbiome Research, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - Amy Pan
- Center for Microbiome Research, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
- Divison of Quantitative Health Sciences, Department of Pediatrics, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - Manu Sood
- Division of Pediatric Gastroenterology, Department of Pediatrics, University of Illinois College of Medicine Peoria, Peoria, Illinois, USA
| | - Nita Salzman
- Division of Pediatric Gastroenterology, Hepatology, and Nutrition, Department of Pediatrics, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
- Department of Microbiology and Immunology, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
- Center for Microbiome Research, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - Katja Karrento
- Division of Pediatric Gastroenterology, Hepatology, and Nutrition, Department of Pediatrics, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
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Likar R, Perruchoud C, Kampusch S, Köstenberger M, Sator S, Stremnitzer C, Wolf A, Neuwersch-Sommeregger S. [Clinical efficacy of auricular vagus nerve stimulation in the treatment of chronic and acute pain : A systematic review]. Schmerz 2023:10.1007/s00482-022-00686-2. [PMID: 36592212 DOI: 10.1007/s00482-022-00686-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/10/2022] [Indexed: 01/03/2023]
Abstract
BACKGROUND Current guidelines recommend a personalized, multimodal, and interdisciplinary approach for the treatment of chronic pain. Already in the acute treatment of postoperative pain, it can be useful to minimize risk factors for chronification. Auricular vagus nerve stimulation (aVNS) could be an effective non-drug therapy for the treatment of chronic and acute pain. AIM OF THE WORK The aim of this systematic review is to evaluate the clinical efficacy of aVNS in chronic and acute pain as well as its effect on medication intake. MATERIALS AND METHODS A systematic literature search was carried out on the application of auricular electrical stimulation in chronic and acute pain. Studies were classified according to their level of evidence and evaluated via the Jadad scale as well as their scientific validity, and then analyzed in terms of indication, method, stimulation parameters, duration of treatment, efficacy, and safety. RESULTS Twenty studies on chronic pain indications, ten studies on acute postoperative pain, as well as seven studies on experimental acute pain were identified and analyzed. The search revealed a total of n = 1105 aVNS-treated patients. The best evidence on the efficacy of aVNS is available for the indications chronic low back pain, chronic cervical syndrome, chronic abdominal pain, and chronic migraine as well as acute postoperative pain in oocyte aspiration, laparoscopic nephrectomy, and open colorectal surgery. Additionally a significant reduction in analgesic or opiate intake was evident in most studies. In three randomized controlled trials in chronic pain patients, a sustainable pain reduction over a period of up to 12 months was shown. Overall, aVNS was very well tolerated. CONCLUSION This review indicates that aVNS can be a complementary and effective non-drug treatment for patients with chronic and acute postoperative pain. Future studies in these indications should focus on standardizing and optimizing treatment parameters, inclusion of quality-of-life outcome parameters, and longer follow-up periods to better understand the sustainable therapeutic effect of aVNS.
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Affiliation(s)
- Rudolf Likar
- Abteilung für Anästhesiologie und Intensivmedizin, Klinikum Klagenfurt am Wörthersee, Feschnigstraße 11, 9020, Klagenfurt, Österreich.
- Paracelsus Medizinische Privatuniversität, Salzburg, Österreich.
| | | | | | - Markus Köstenberger
- Abteilung für Anästhesiologie und Intensivmedizin, Klinikum Klagenfurt am Wörthersee, Feschnigstraße 11, 9020, Klagenfurt, Österreich
| | - Sabine Sator
- Universitätsklinik für Anästhesie, allgemeine Intensivmedizin und Schmerztherapie, Medizinische Universität Wien, Wien, Österreich
| | | | - Andreas Wolf
- Abteilung für Anästhesie, Krankenhaus St. Vinzenz Zams, Zams, Österreich
| | - Stefan Neuwersch-Sommeregger
- Abteilung für Anästhesiologie und Intensivmedizin, Klinikum Klagenfurt am Wörthersee, Feschnigstraße 11, 9020, Klagenfurt, Österreich
- Medizinische Universität Graz, Graz, Österreich
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Woodbury A, Krishnamurthy LC, Bohsali A, Krishnamurthy V, Smith JL, Gebre M, Tyler K, Vernon M, Crosson B, Kalangara JP, Napadow V, Allen JW, Harper D. Percutaneous electric nerve field stimulation alters cortical thickness in a pilot study of veterans with fibromyalgia. NEUROBIOLOGY OF PAIN (CAMBRIDGE, MASS.) 2022; 12:100093. [PMID: 35733704 PMCID: PMC9207563 DOI: 10.1016/j.ynpai.2022.100093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 04/29/2022] [Accepted: 05/11/2022] [Indexed: 11/29/2022]
Abstract
Objective To evaluate changes in cortical thickness and right posterior insula (r-pIns) gamma-aminobutyric acid (GABA) concentrations in veterans with fibromyalgia treated with auricular percutaneous electric nerve field stimulation (PENFS). Materials & methods This was a randomized, controlled, open label investigation conducted in a government hospital. Twenty-one veterans with fibromyalgia were randomized to receive either standard therapy (ST; i.e., 4 weekly visits with a pain practitioner) or ST with auricular PENFS (ST + PENFS). Neuroimaging data was collected at baseline (i.e. before the first treatment session) and again within 2 weeks post-treatment. Clinical pain and physical function were also assessed at these timepoints. Single-voxel magnetic resonance spectroscopy was carried out in r-pIns to assess changes in r-pIns GABA concentrations and high-resolution T1-weighted images were collected to assess changes in regional gray matter volume using cortical thickness. Results Both the ST + PENFS and ST groups reported a decrease in pain with treatment. Volumetric: Cortical thickness significantly decreased in the left middle posterior cingulate (p = 0.018) and increased in the left cuneus (p = 0.014) following ST + PENFS treatment. These findings were significant following FDR correction for multiple comparisons. ST group right hemisphere insula cortical thickness increased post-treatment and was significantly (p = 0.02) inversely correlated with pain scores. ST + PENFS group right hemisphere posterior dorsal cingulate size significantly (p = 0.044) positively correlated with pain scores. GABA: There were no significant correlations with GABA, though a trend was noted towards increased GABA following treatment in both groups (p = 0.083) using a linear mixed effects model. Conclusions Results suggest a novel effect of PENFS reflected by differential volumetric changes compared to ST. The changes in GABA that occur in both groups are more likely related to ST. Insular GABA and cortical thickness in key regions of interest may be developed as potential biomarkers for evaluating chronic pain pathology and treatment outcomes.
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Affiliation(s)
- Anna Woodbury
- Emory University School of Medicine, Atlanta, GA, USA
- Atlanta Veterans Affairs Healthcare System, Atlanta, GA, USA
| | - Lisa C. Krishnamurthy
- Emory University School of Medicine, Atlanta, GA, USA
- Atlanta Veterans Affairs Healthcare System, Atlanta, GA, USA
- Georgia State University, Atlanta, GA, USA
| | | | - Venkatagiri Krishnamurthy
- Emory University School of Medicine, Atlanta, GA, USA
- Atlanta Veterans Affairs Healthcare System, Atlanta, GA, USA
| | | | - Melat Gebre
- Emory University School of Medicine, Atlanta, GA, USA
| | - Kari Tyler
- Emory University School of Medicine, Atlanta, GA, USA
- Atlanta Veterans Affairs Healthcare System, Atlanta, GA, USA
| | - Mark Vernon
- Atlanta Veterans Affairs Healthcare System, Atlanta, GA, USA
| | - Bruce Crosson
- Emory University School of Medicine, Atlanta, GA, USA
- Atlanta Veterans Affairs Healthcare System, Atlanta, GA, USA
| | - Jerry P. Kalangara
- Emory University School of Medicine, Atlanta, GA, USA
- Atlanta Veterans Affairs Healthcare System, Atlanta, GA, USA
| | - Vitaly Napadow
- Spaulding Rehabilitation Network, Harvard Medical School, Charlestown, MA, USA
| | | | - Daniel Harper
- Emory University School of Medicine, Atlanta, GA, USA
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