1. Boise Kidney & Hypertension Institute, Nampa, Idaho
2. Departments of Medicine and Epidemiology and Population Health, Stanford University School of Medicine, Stanford, California
3. El Paso Kidney Specialists, El Paso, Texas
4. Kidney Medical Associates, Bronx, New York
5. Nephrology Consultants, LLC, Huntsville, Alabama
6. Ardelyx, Inc., Waltham, Massachusetts