Renal Insufficiency, Chronic

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

Not specified

• Research Site — Feldkirch, Austria
• Research Site — Linz, Austria
• Research Site — Vienna, Austria
• Research Site — Dobrich, Bulgaria

• Renal Research Institute — New York, United States

Not specified

• Maastricht University Medical Center — Maastricht, Netherlands

• Research Site — Herston, Queensland, Australia
• Research Site — Nambour, Queensland, Australia
• Research Site — Woolloongabba, Queensland, Australia
• Research Site — Burgas, Bulgaria

• Centre Hospitalier Universitaire Vaudois — Lausanne, Switzerland

• Samsung Medical Center — Seoul, South Korea

• All Centres From All Over the World Willing to Contribute Are Welcome — Brussels, Belgium