Chronic Renal Failure

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

• Research Facility — London, United Kingdom

• Rikshospitalet, Section of Nephrology — Oslo, Norway

• Research Facility — Burgas, Bulgaria
• Research Facility — Pleven, Bulgaria
• Research Facility — Plovdiv, Bulgaria
• Research Facility — Rousse, Bulgaria

• University Children's Hospital — Vienna, Austria
• University Children's Hospital — Helsinki, Finland
• University Children's Hospital — Strasbourg, France
• University Children's Hospital — Essen, Germany

• Research Facility — Irkutsk, Russia
• Research Facility — Krasnodar, Russia
• Research Facility — Krasnoyarsk, Russia
• Research Facility — Moscow, Russia

• Severance Hospital — Seoul, South Korea

• University Hospital Ghent — Ghent, Belgium

• University of Alberta Hospitals — Edmonton, Alberta, Canada

Not specified