Renal Insufficiency, Chronic

• Agave Clinical Research — Tempe, Arizona, United States
• Harrisburg Family Medical Center — Harrisburg, Arkansas, United States
• Arkansas Primary Care Clinic — Little Rock, Arkansas, United States
• Providence Clinical Research — Burbank, California, United States

• Unidad de Investigación Médica en Enfermedades Nefrológicas, Instituto Mexicano del Seguro Social — Mexico City, Mexico
• Unidad de Investigacion Medica en Enfermedades Nefrologicas, Hospital de Especialidades Centro Medico Nacional Siglo XXI — Mexico City, Mexico

• China Medical University Hospital — Taichung, Taiwan

• University of California at San Diego — San Diego, California, United States
• Denver Nephrology Research — Denver, Colorado, United States
• George Washington University — Washington D.C., District of Columbia, United States
• NorthShore University Health System — Chicago, Illinois, United States

• Hospital Universitario Reina Sofía de Córdoba — Córdoba, Spain

Not specified

• Department of Nephrology, Hypertension and Kidney Transplantation — Lodz, Poland

• University of North Carolina of Chapel hill — Chapel Hill, North Carolina, United States

• Sir Ganga Ram Hospital — New Delhi, National Capital Territory of Delhi, India

• Columbia/CUMC — New York, United States