Renal Insufficiency, Chronic

• ASST Grande Ospedale Metropolitano Niguarda — Milan, Italy
• ASST Spedali Civili — Montichiari, Italy
• ASST Monza-Ospedale San Gerardo — Monza, Italy
• Humanitas Clinical and Research Hospital — Rozzano, Italy

Not specified

• Al Sawad, Ayat — Serdang, Selangor, Malaysia

• LAL Clínica Pesquisa e Desenvolvimento Ltda. — Valinhos, São Paulo, Brazil

• faculty of physical therapy, Cairo university — Giza, Egypt

• Changhua Christian Hospital — Changhua, Taiwan

• University of Louisville, University Kidney Center — Louisville, Kentucky, United States
• Western New England Renal and Transplant Associates — Springfield, Massachusetts, United States
• Duke University — Durham, North Carolina, United States

• Department of Medicine, Division of Cardiology, Pulmonary Diseases and Vascular Medicine at the University Hospital, RWTH Aachen — Aachen, North Rhine-Westphalia, Germany
• Clinic for Nephrology and Diabetology, Hospital St. Franziskus (Maria-Hilf-Clinic) — Mönchengladbach, North Rhine-Westphalia, Germany

• Beckman Laser Institute — Irvine, California, United States
• University of California Medical Center: Dialysis Unit — Orange, California, United States
• UCIMC Dialysis center — Orange, California, United States

• London Health Sciences Centre — London, Ontario, Canada