Renal Insufficiency, Chronic

• Research Facility — Birmingham, Alabama, United States
• Research Facility — Pine Bluff, Arkansas, United States
• Research Facility — Los Angeles, California, United States
• Research Facility — Mountain View, California, United States

• Research Facility — Bialystok, Poland
• Research Facility — Gdansk, Poland
• Research Facility — Katowice, Poland
• Research Facilities — Krakow, Poland

• Research Facility — London, United Kingdom

• University of Colorado Denver Health Sciences Center — Denver, Colorado, United States

• Haseki Training and Research Hospital — Istanbul, Turkey (Türkiye)

Not specified

Not specified

• Denver Nephrologists, PC — Denver, Colorado, United States

• UMC Utrecht — Utrecht, Netherlands

• Niimi city Yukawa National health insurance clinic — Niimi, Okayama-ken, Japan
• Konan Hospital — Oyama, Tochigi, Japan
• Kurosu Hospital — Sakura, Tochigi, Japan
• Jichi Medical University — Shimotsuke, Tochigi, Japan