Renal Insufficiency, Chronic

• Department of Endocrinology PE, Copenhagen University Hospital, Rigshospitalet — Copenhagen Ø, Copenhagen, Denmark
• Department of Nephrology P, Copenhagen University Hospital, Rigshospitalet — Copenhagen Ø, Copenhagen, Denmark
• Department of Internal Medicine H, Hillerød Hospital — Hillerød, Denmark

• University of California — San Francisco, California, United States

• National Taiwan University Hospital (NTUH) — Taipei, Taiwan

• Ege University School of Medicine — Bornova, İzmir, Turkey (Türkiye)
• FMC Clinics Turkey — Adana, Turkey (Türkiye)

• Adana Numune Research and Education Hospital — Adana, Turkey (Türkiye)
• Ege University School of Medicine Division of Nephrology — Bornova, İzmir, Turkey (Türkiye)

• Yale University School of Medicine — New Haven, Connecticut, United States
• Emory Children's Center — Atlanta, Georgia, United States
• Emory University Hospital — Atlanta, Georgia, United States
• Mount Sinai School of Medicine — New York, United States

• The Hospital for Sick Children — Toronto, Ontario, Canada

• Northwestern University — Chicago, Illinois, United States
• Cornell University — New York, United States
• Columbia University — New York, United States
• University of Pennsylvania — Philadelphia, Pennsylvania, United States

Not specified

• Instituto Argentino de Diagnostico y Tratamiento — Buenos Aires, Argentina
• Department of General, Vascular and Transplant Surgery — Katowice, Poland