1. Division of Nephrology, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
2. Department of Epidemiology, Johns Hopkins University Bloomberg School of Public Health, Baltimore, Maryland
3. Department of Health Sciences, School of Medicine, University of North Carolina-Chapel Hill, Chapel Hill, North Carolina
4. Department of Epidemiology, Colorado University School of Public Health, Aurora, Colorado
5. Department of Human Genetics, Emory University School of Medicine, Atlanta, Georgia
6. Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
7. Department of Biostatistics, Epidemiology, and Informatics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania
8. Division of Nephrology, Children's National Hospital, Washington, DC
9. Division of Nephrology, Massachusetts General Hospital, Boston, Massachusetts
10. Harvard School of Medicine, Boston, Massachusetts
11. Johns Hopkins University School of Medicine, Baltimore, Maryland
12. Boston University School of Medicine, Boston, Massachusetts
13. Boston University School of Public Health, Boston, Massachusetts
14. Perelman School of Medicine at the University of Pennsylvania, Department of Medicine and Department of Biostatistics, Epidemiology, and Informatics, Philadelphia, Pennsylvania
15. Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania
16. Division of Kidney, Urologic, and Hematologic Diseases, National Institutes of Health, National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, Maryland
17. Division of Nephrology, Children's Mercy Kansas City, Kansas City, Missouri
18. University of Missouri-Kansas City School of Medicine, Kansas City, Missouri
19. Children's Hospital of Philadelphia Research Institute, Philadelphia, Pennsylvania
20. Perelman School of Medicine at the University of Pennsylvania, Department of Pediatrics and Department of Biostatistics, Epidemiology, and Informatics, Philadelphia, Pennsylvania
21. Perelman School of Medicine at the University of Pennsylvania, Department of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania