1. From University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania; Stanford University School of Medicine, Stanford, California; National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, Maryland; Johns Hopkins University School of Public Health, Johns Hopkins University School of Medicine, and University of Maryland School of Medicine, Baltimore, Maryland; Tulane University School of Public Health and Tropical Medicine, New Orleans, Louisiana;
2. University of Illinois at Chicago College of Medicine, Chicago, Illinois; Case Western Reserve University School of Medicine, Cleveland, Ohio; and St. John Hospital/Renaissance Renal Research Institute, Detroit, Michigan.