Chronic Kidney Disease

• Universitaire Ziekenhuizen Leuven — Leuven, Vlaams-Brabant, Belgium

• Ziekenhuisgroep Twente — Almelo, Overijssel, Netherlands
• University Medical Center Groningen — Groningen, Provincie Groningen, Netherlands
• Leiden University Medical Center — Leiden, South Holland, Netherlands
• St. Antonius — Nieuwegein, Utrecht, Netherlands

• Sandoz Investigational Site — Bregenz, Austria
• Sandoz Investigational Site — Eisenstadt, Austria
• Sandoz Investigational Site — Feldkirch, Austria
• Sandoz Investigational Site — Nenzing, Austria

• Inje University Seoul Paik Hospital — Seoul, South Korea

• Medical University of Vienna, Department of Internal Medicine III, Division of Nephrology and Dialysis — Vienna, State of Vienna, Austria

Not specified

• Renal Research Institute — New York, United States

Not specified

• Centre Hospitalier Universitaire Vaudois — Lausanne, Switzerland

• Halifax, Nova Scotia, Canada
• Sydney, Nova Scotia, Canada
• Kingston, Ontario, Canada
• London, Ontario, Canada