Renal Insufficiency, Chronic

• Arizona Kidney Disease and Hypertension Center — Phoenix, Arizona, United States
• US Renal Care — Pine Bluff, Arkansas, United States
• Valley Renal Medical Group — Northridge, California, United States
• North America Research Institute — San Dimas, California, United States

• Massachusetts General Hospital — Boston, Massachusetts, United States
• Beth Israel Deaconess Medical Center — Boston, Massachusetts, United States
• Brigham and Women's Hospital — Boston, Massachusetts, United States

• Purdue University — West Lafayette, Indiana, United States

• Chiesi farmaceutici Spa — Parma, Italy

• OCHSNER — Baton Rouge, Louisiana, United States
• Davita — Baton Rouge, Louisiana, United States

• DaVita Clinical Research — Lakewood, Colorado, United States
• Orlando Clinical Research Center — Orlando, Florida, United States
• DaVita Clinical Research — Minneapolis, Minnesota, United States
• Vanderbilt University Medical Center — Nashville, Tennessee, United States

Not specified

• Hospital Sultanah Aminah — Johor Bahru, Johor, Malaysia
• Hospital Tengku Apuan Afzan — Kuantan, Pahang, Malaysia
• Hospital Pulau Pinang — George Town, Pulau Pinang, Malaysia
• Hospital Tengku Ampuan Rahimah — Klang, Selangor, Malaysia

• Georg-Haas-Dialysezentrum der PHV — Giessen, Germany

• University of Michigan Health Center — Ann Arbor, Michigan, United States