[1] Perelman School of Medicine at the University of Pennsylvania,Division of Renal
[2] Perelman School of Medicine at the University of Pennsylvania,Electrolyte and Hypertension, Department of Medicine
[3] Perelman School of Medicine at the University of Pennsylvania,Center for Clinical Epidemiology and Biostatistics
[4] Yale School of Medicine,Department of Biostatistics, Epidemiology, and Informatics
[5] University of Illinois at Chicago College of Medicine,Department of Medicine
[6] University of Michigan Medical School,Department of Medicine
[7] Ann Arbor,Department of Internal Medicine
[8] MI; Arbor Research Collaborative for Health,Department of Medicine
[9] Tulane University School of Medicine,Department of Medicine
[10] Rush University Medical Center,Deparment of Medicine
[11] Washington University School of Medicine in Saint Louis,undefined
[12] Tulane University,undefined
[13] School of Public Health and Tropical Medicine,undefined