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Lipman AR, Husain SA. Discrepant creatinine- versus cystatin C-based kidney function estimates in pediatric heart and liver transplant recipients. Pediatr Nephrol 2024; 39:2533-2535. [PMID: 38557874 DOI: 10.1007/s00467-024-06358-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2024] [Revised: 03/14/2024] [Accepted: 03/15/2024] [Indexed: 04/04/2024]
Affiliation(s)
- Amy R Lipman
- Division of Nephrology, Department of Medicine, Columbia University Vagelos College of Physicians & Surgeons, 622 W 168th St PH4-124, New York, NY, 10032, USA
| | - Syed Ali Husain
- Division of Nephrology, Department of Medicine, Columbia University Vagelos College of Physicians & Surgeons, 622 W 168th St PH4-124, New York, NY, 10032, USA.
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Berezin AE, Berezina TA, Hoppe UC, Lichtenauer M, Berezin AA. An overview of circulating and urinary biomarkers capable of predicting the transition of acute kidney injury to chronic kidney disease. Expert Rev Mol Diagn 2024; 24:627-647. [PMID: 39007888 DOI: 10.1080/14737159.2024.2379355] [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] [Received: 04/15/2024] [Accepted: 07/09/2024] [Indexed: 07/16/2024]
Abstract
INTRODUCTION Acute kidney injury (AKI) defined by a substantial decrease in kidney function within hours to days and is often irreversible with higher risk to chronic kidney disease (CKD) transition. AREAS COVERED The authors discuss the diagnostic and predictive utilities of serum and urinary biomarkers on AKI and on the risk of AKI-to-CKD progression. The authors focus on the relevant literature covering evidence of circulating and urinary biomarkers' capability to predict the transition of AKI to CKD. EXPERT OPINION Based on the different modalities of serum and urinary biomarkers, multiple biomarker panel seems to be potentially useful to distinguish between various types of AKI, to detect the severity and the risk of AKI progression, to predict the clinical outcome and evaluate response to the therapy. Serum/urinary neutrophil gelatinase-associated lipocalin (NGAL), serum/urinary uromodulin, serum extracellular high mobility group box-1 (HMGB-1), serum cystatin C and urinary liver-type fatty acid-binding protein (L-FABP) were the most effective in the prediction of AKI-to-CKD transition regardless of etiology and the presence of critical state in patients. The current clinical evidence on the risk assessments of AKI progression is mainly based on the utility of combination of functional, injury and stress biomarkers, mainly NGAL, L-FABP, HMGB-1 and cystatin C.
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Affiliation(s)
- Alexander E Berezin
- Department of Internal Medicine II, Division of Cardiology, Paracelsus Medical University Salzburg, Salzburg, Austria
| | - Tetiana A Berezina
- Department of Internal Medicine & Nephrology, VitaCenter, Zaporozhye, Ukraine
| | - Uta C Hoppe
- Department of Internal Medicine II, Division of Cardiology, Paracelsus Medical University, Salzburg, Austria
| | - Michael Lichtenauer
- Department of Internal Medicine II, Division of Cardiology, Paracelsus Medical University, Salzburg, Austria
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Valdes AM, Ikram A, Taylor LA, Zheng A, Kouraki A, Kelly A, Ashraf W, Vijay A, Miller S, Nightingale J, Selby NM, Ollivere BJ. Preoperative inflammatory biomarkers reveal renal involvement in postsurgical mortality in hip fracture patients: an exploratory study. Front Immunol 2024; 15:1372079. [PMID: 38919625 PMCID: PMC11197399 DOI: 10.3389/fimmu.2024.1372079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Accepted: 05/20/2024] [Indexed: 06/27/2024] Open
Abstract
Background Hip fractures in frail patients result in excess mortality not accounted for by age or comorbidities. The mechanisms behind the high risk of mortality remain undetermined but are hypothesized to be related to the inflammatory status of frail patients. Methods In a prospective observational exploratory cohort study of hospitalized frail hip fracture patients, 92 inflammatory markers were tested in pre-operative serum samples and markers were tested against 6-month survival post-hip fracture surgery and incidence of acute kidney injury (AKI). After correcting for multiple testing, adjustments for comorbidities and demographics were performed on the statistically significant markers. Results Of the 92 markers tested, circulating levels of fibroblast growth factor 23 (FGF-23) and interleukin-15 receptor alpha (IL15RA), both involved in renal disease, were significantly correlated with 6-month mortality (27.5% overall) after correcting for multiple testing. The incidence of postoperative AKI (25.4%) was strongly associated with 6-month mortality, odds ratio = 10.57; 95% CI [2.76-40.51], and with both markers plus estimated glomerular filtration rate (eGFR)- cystatin C (CYSC) but not eGFR-CRE. The effect of these markers on mortality was significantly mediated by their effect on postoperative AKI. Conclusion High postoperative mortality in frail hip fracture patients is highly correlated with preoperative biomarkers of renal function in this pilot study. The effect of preoperative circulating levels of FGF-23, IL15RA, and eGFR-CYSC on 6-month mortality is in part mediated by their effect on postoperative AKI. Creatinine-derived preoperative renal function measures were very poorly correlated with postoperative outcomes in this group.
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Affiliation(s)
- Ana M. Valdes
- Injury, Recovery and Inflammation Sciences, School of Medicine, University of Nottingham, Nottingham, United Kingdom
- National Institute for Health and Care Research (NIHR) Nottingham Biomedical Research Centre, Nottingham, United Kingdom
| | - Adeel Ikram
- Injury, Recovery and Inflammation Sciences, School of Medicine, University of Nottingham, Nottingham, United Kingdom
- National Institute for Health and Care Research (NIHR) Nottingham Biomedical Research Centre, Nottingham, United Kingdom
| | - Lauren A. Taylor
- Injury, Recovery and Inflammation Sciences, School of Medicine, University of Nottingham, Nottingham, United Kingdom
- National Institute for Health and Care Research (NIHR) Nottingham Biomedical Research Centre, Nottingham, United Kingdom
| | - Amy Zheng
- Injury, Recovery and Inflammation Sciences, School of Medicine, University of Nottingham, Nottingham, United Kingdom
- National Institute for Health and Care Research (NIHR) Nottingham Biomedical Research Centre, Nottingham, United Kingdom
| | - Afroditi Kouraki
- Injury, Recovery and Inflammation Sciences, School of Medicine, University of Nottingham, Nottingham, United Kingdom
- National Institute for Health and Care Research (NIHR) Nottingham Biomedical Research Centre, Nottingham, United Kingdom
| | - Anthony Kelly
- Injury, Recovery and Inflammation Sciences, School of Medicine, University of Nottingham, Nottingham, United Kingdom
- National Institute for Health and Care Research (NIHR) Nottingham Biomedical Research Centre, Nottingham, United Kingdom
| | - Waheed Ashraf
- Injury, Recovery and Inflammation Sciences, School of Medicine, University of Nottingham, Nottingham, United Kingdom
- National Institute for Health and Care Research (NIHR) Nottingham Biomedical Research Centre, Nottingham, United Kingdom
| | - Amrita Vijay
- Injury, Recovery and Inflammation Sciences, School of Medicine, University of Nottingham, Nottingham, United Kingdom
- National Institute for Health and Care Research (NIHR) Nottingham Biomedical Research Centre, Nottingham, United Kingdom
| | - Suzanne Miller
- Injury, Recovery and Inflammation Sciences, School of Medicine, University of Nottingham, Nottingham, United Kingdom
- National Institute for Health and Care Research (NIHR) Nottingham Biomedical Research Centre, Nottingham, United Kingdom
| | - Jessica Nightingale
- Injury, Recovery and Inflammation Sciences, School of Medicine, University of Nottingham, Nottingham, United Kingdom
- National Institute for Health and Care Research (NIHR) Nottingham Biomedical Research Centre, Nottingham, United Kingdom
| | - Nicholas M. Selby
- Centre for Kidney Research and Innovation, Academic Unit for Translational Medical Sciences, School of Medicine, University of Nottingham, Nottingham, United Kingdom
| | - Benjamin J. Ollivere
- Injury, Recovery and Inflammation Sciences, School of Medicine, University of Nottingham, Nottingham, United Kingdom
- National Institute for Health and Care Research (NIHR) Nottingham Biomedical Research Centre, Nottingham, United Kingdom
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Costa E Silva VT, Adingwupu OM, Inker LA. Difference Between Estimated GFR Based on Cystatin C Versus Creatinine and Incident Atrial Fibrillation: A New Instrument on the Horizon to Improve Risk Assessment in This High-Risk Population? Am J Kidney Dis 2024; 83:704-706. [PMID: 38625075 DOI: 10.1053/j.ajkd.2024.03.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Revised: 03/07/2024] [Accepted: 03/12/2024] [Indexed: 04/17/2024]
Affiliation(s)
- Veronica T Costa E Silva
- Serviço de Nefrologia, Instituto do Câncer do Estado de São Paulo, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil; Laboratório de Investigação Médica (LIM) 16, Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil.
| | - Ogechi M Adingwupu
- Department of Medicine, Division of Nephrology, Tufts Medical Center, Boston, Massachusetts
| | - Lesley A Inker
- Department of Medicine, Division of Nephrology, Tufts Medical Center, Boston, Massachusetts
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Tamargo C, Hanouneh M, Cervantes CE. Treatment of Acute Kidney Injury: A Review of Current Approaches and Emerging Innovations. J Clin Med 2024; 13:2455. [PMID: 38730983 PMCID: PMC11084889 DOI: 10.3390/jcm13092455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Revised: 04/12/2024] [Accepted: 04/18/2024] [Indexed: 05/13/2024] Open
Abstract
Acute kidney injury (AKI) is a complex and life-threatening condition with multifactorial etiologies, ranging from ischemic injury to nephrotoxic exposures. Management is founded on treating the underlying cause of AKI, but supportive care-via fluid management, vasopressor therapy, kidney replacement therapy (KRT), and more-is also crucial. Blood pressure targets are often higher in AKI, and these can be achieved with fluids and vasopressors, some of which may be more kidney-protective than others. Initiation of KRT is controversial, and studies have not consistently demonstrated any benefit to early start dialysis. There are no targeted pharmacotherapies for AKI itself, but some do exist for complications of AKI; additionally, medications become a key aspect of AKI management because changes in renal function and dialysis support can lead to issues with both toxicities and underdosing. This review will cover existing literature on these and other aspects of AKI treatment. Additionally, this review aims to identify gaps and challenges and to offer recommendations for future research and clinical practice.
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Affiliation(s)
- Christina Tamargo
- Department of Medicine, Division of Nephrology, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
| | - Mohamad Hanouneh
- Department of Medicine, Division of Nephrology, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
- Nephrology Center of Maryland, Baltimore, MD 21239, USA
| | - C. Elena Cervantes
- Department of Medicine, Division of Nephrology, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
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Stevens PE, Ahmed SB, Carrero JJ, Foster B, Francis A, Hall RK, Herrington WG, Hill G, Inker LA, Kazancıoğlu R, Lamb E, Lin P, Madero M, McIntyre N, Morrow K, Roberts G, Sabanayagam D, Schaeffner E, Shlipak M, Shroff R, Tangri N, Thanachayanont T, Ulasi I, Wong G, Yang CW, Zhang L, Levin A. KDIGO 2024 Clinical Practice Guideline for the Evaluation and Management of Chronic Kidney Disease. Kidney Int 2024; 105:S117-S314. [PMID: 38490803 DOI: 10.1016/j.kint.2023.10.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Accepted: 10/31/2023] [Indexed: 03/17/2024]
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Levin A, Ahmed SB, Carrero JJ, Foster B, Francis A, Hall RK, Herrington WG, Hill G, Inker LA, Kazancıoğlu R, Lamb E, Lin P, Madero M, McIntyre N, Morrow K, Roberts G, Sabanayagam D, Schaeffner E, Shlipak M, Shroff R, Tangri N, Thanachayanont T, Ulasi I, Wong G, Yang CW, Zhang L, Robinson KA, Wilson L, Wilson RF, Kasiske BL, Cheung M, Earley A, Stevens PE. Executive summary of the KDIGO 2024 Clinical Practice Guideline for the Evaluation and Management of Chronic Kidney Disease: known knowns and known unknowns. Kidney Int 2024; 105:684-701. [PMID: 38519239 DOI: 10.1016/j.kint.2023.10.016] [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] [Received: 10/11/2023] [Revised: 10/27/2023] [Accepted: 10/31/2023] [Indexed: 03/24/2024]
Abstract
The Kidney Disease: Improving Global Outcomes (KDIGO) Clinical Practice Guideline for the Evaluation and Management of Chronic Kidney Disease (CKD) updates the KDIGO 2012 guideline and has been developed with patient partners, clinicians, and researchers around the world, using robust methodology. This update, based on a substantially broader base of evidence than has previously been available, reflects an exciting time in nephrology. New therapies and strategies have been tested in large and diverse populations that help to inform care; however, this guideline is not intended for people receiving dialysis nor those who have a kidney transplant. The document is sensitive to international considerations, CKD across the lifespan, and discusses special considerations in implementation. The scope includes chapters dedicated to the evaluation and risk assessment of people with CKD, management to delay CKD progression and its complications, medication management and drug stewardship in CKD, and optimal models of CKD care. Treatment approaches and actionable guideline recommendations are based on systematic reviews of relevant studies and appraisal of the quality of the evidence and the strength of recommendations which followed the "Grading of Recommendations Assessment, Development, and Evaluation" (GRADE) approach. The limitations of the evidence are discussed. The guideline also provides practice points, which serve to direct clinical care or activities for which a systematic review was not conducted, and it includes useful infographics and describes an important research agenda for the future. It targets a broad audience of people with CKD and their healthcare, while being mindful of implications for policy and payment.
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Affiliation(s)
- Adeera Levin
- Division of Nephrology, University of British Columbia, Vancouver, British Columbia, Canada.
| | - Sofia B Ahmed
- Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
| | - Juan Jesus Carrero
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
| | - Bethany Foster
- Department of Pediatrics, McGill University, Montreal, Quebec, Canada
| | - Anna Francis
- Department of Medicine, Queensland Children's Hospital, Brisbane, Queensland, Australia
| | - Rasheeda K Hall
- Division of Nephrology, Duke School of Medicine, Durham, North Carolina, USA
| | - Will G Herrington
- Nuffield Department of Population Health, University of Oxford, Oxford, UK
| | | | - Lesley A Inker
- Division of Nephrology, Tufts Medical Center, Boston, Massachusetts, USA
| | | | - Edmund Lamb
- Department of Clinical Biochemistry, East Kent Hospitals University NHS Foundation Trust, Canterbury, UK
| | - Peter Lin
- Director of Primary Care Initiatives, Canadian Heart Research Center, Toronto, Ontario, Canada
| | - Magdalena Madero
- Division of Nephrology, Instituto Nacional de Cardiología Ignacio Chavéz, Mexico City, Mexico
| | - Natasha McIntyre
- London Health Sciences Centre-Victoria Hospital, Western University, London, Ontario, Canada
| | - Kelly Morrow
- Department of Nutrition and Exercise Science, Bastyr University, Kenmore, Washington, USA; Osher Center for Integrative Medicine, University of Washington, Kenmore, Washington, USA
| | - Glenda Roberts
- UW Center for Dialysis Innovation & Kidney Research Institute, Seattle, Washington, USA
| | | | - Elke Schaeffner
- Division of Nephrology and Intensive Care Medicine, Charité Universitätsmedizin Berlin, Berlin, Germany
| | - Michael Shlipak
- Department of Medicine, University of California, San Francisco, San Francisco, California, USA
| | - Rukshana Shroff
- Department of Paediatric Nephrology, UCL Great Ormond Street Hospital Institute of Child Health, London, UK
| | - Navdeep Tangri
- Division of Nephrology, University of Manitoba, Winnipeg, Manitoba, Canada
| | | | - Ifeoma Ulasi
- Department of Medicine, Ituku-Ozalla Campus, University of Nigeria, Enugu, Nigeria
| | - Germaine Wong
- Western Renal Service, University of Sydney, Sydney, New South Wales, Australia
| | - Chih-Wei Yang
- Division of Nephrology, Chang Gung University, Taoyuan, Taiwan
| | - Luxia Zhang
- Renal Division, Peking University First Hospital, Beijing, China
| | - Karen A Robinson
- The Johns Hopkins University Evidence-based Practice Center, Johns Hopkins University, Baltimore, Maryland, USA
| | - Lisa Wilson
- The Johns Hopkins University Evidence-based Practice Center, Johns Hopkins University, Baltimore, Maryland, USA
| | - Renee F Wilson
- The Johns Hopkins University Evidence-based Practice Center, Johns Hopkins University, Baltimore, Maryland, USA
| | - Bertram L Kasiske
- Hennepin County Medical Center, University of Minnesota, Minneapolis, Minnesota, USA
| | | | | | - Paul E Stevens
- Department of Nephrology, Kent Kidney Care Centre, East Kent Hospitals University NHS Foundation Trust, Canterbury, UK.
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8
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Wang Y, Adingwupu OM, Shlipak MG, Doria A, Estrella MM, Froissart M, Gudnason V, Grubb A, Kalil R, Mauer M, Rossing P, Seegmiller J, Coresh J, Levey AS, Inker LA. Discordance Between Creatinine-Based and Cystatin C-Based Estimated GFR: Interpretation According to Performance Compared to Measured GFR. Kidney Med 2023; 5:100710. [PMID: 37753251 PMCID: PMC10518599 DOI: 10.1016/j.xkme.2023.100710] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/28/2023] Open
Abstract
Rationale & Objective Use of cystatin C in addition to creatinine to estimate glomerular filtration rate (estimated glomerular filtration rate based on cystatin C [eGFRcys] and estimated glomerular filtration rate based on creatinine [eGFRcr], respectively) is increasing. When eGFRcr and eGFRcys are discordant, it is not known which is more accurate, leading to uncertainty in clinical decision making. Study Design Cross-sectional analysis. Setting & Participants Four thousand fifty participants with measured glomerular filtration rate (mGFR) from 12 studies in North America and Europe. Exposures Serum creatinine and serum cystatin C. Outcomes Performance of creatinine-based and cystatin C-based glomerular filtration rate estimating equations compared to mGFR. Analytical Approach We evaluated the accuracy of eGFRcr, eGFRcys, and the combination (eGFRcr-cys) compared to mGFR according to the magnitude of the difference between eGFRcr and eGFRcys (eGFRdiff). We used CKD-EPI (Chronic Kidney Disease Epidemiology Collaboration) equations to estimate glomerular filtration rate. eGFRdiff was defined as eGFRcys minus eGFRcr and categorized as less than -15, -15 to <15, and ≥15 mL/min/1.73 m2 (negative, concordant, and positive groups, respectively). We compared bias (median of mGFR minus eGFR) and the percentage of eGFR within 30% of mGFR. Results Thirty percent of participants had discordant eGFRdiff (21.0% and 9.6% negative and positive eGFRdiffs, respectively). In the concordant eGFRdiff group, all equations displayed similar accuracy. In the negative eGFRdiff groups, eGFRcr had a large overestimation of mGFR (-13.4 [-14.5 to -12.2] mL/min/1.73 m2) and eGFRcys had a large underestimation (9.9 [9.1-11.2] mL/min/1.73m2), with opposite results in the positive eGFRdiff group. In both negative and positive eGFRdiff groups, eGFRcr-cys was more accurate than either eGFRcr or eGFRcys. These results were largely consistent across age, sex, race, and body mass index. Limitations Few participants with major comorbid conditions. Conclusions Discordant eGFRcr and eGFRcys are common. eGFR using the combination of creatinine and cystatin C provides the most accurate estimates among persons with discordant eGFRcr or eGFRcys.
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Affiliation(s)
- Yeli Wang
- Department of Nutrition, Harvard University T.H. Chan School of Public Health, Boston, MA
| | | | - Michael G. Shlipak
- Kidney Health Research Collaborative, San Francisco Veterans Affair Medical Center and University of California, San Francisco, CA
| | - Alessandro Doria
- Section on Genetics & Epidemiology, Joslin Diabetes Center, and the Department of Medicine, Harvard Medical School, Boston, MA
| | - Michelle M. Estrella
- Division of Nephrology, Department of Medicine, San Francisco VA Health Care System and University of California, San Francisco, CA
| | - Marc Froissart
- Clinical Trial Unit, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
| | - Vilmundur Gudnason
- Faculty of Medicine, University of Iceland, Reykjavik, and the Icelandic Heart Association, Kopavogur, Iceland
| | - Anders Grubb
- Department of Clinical Chemistry and Pharmacology, Institute of Laboratory Medicine, Lund University, Sweden
| | - Roberto Kalil
- Division of Nephrology, Department of Medicine, University of Maryland School of Medicine, Baltimore MD
| | - Michael Mauer
- Divisions of Pediatric and Adult Nephrology, University of Minnesota, Minneapolis, MN
| | - Peter Rossing
- Steno Diabetes Center Copenhagen and the Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Jesse Seegmiller
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN
| | - Josef Coresh
- Department of Epidemiology, John Hopkins Bloomberg School of Public Health, Baltimore, MD
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