[1] Med Univ Vienna, Dept Med 3, Vienna, Austria
[2] Univ Hosp Charite, Dept Nephrol & Intens Care Med, Berlin, Germany
[3] Westpfalz Klinikum GmbH, Dept Nephrol & Transplantat, Kaiserslautern, Germany
[4] Med Univ Silesia, Dept Nephrol Endocrinol & Metab Dis, Katowice, Poland
[5] Med Univ Lodz, Dept Nephrol Hypertens & Kidney Transplantat, Lodz, Poland
[6] Univ Wales Hosp, Dept Nephrol & Transplant, Cardiff CF4 4XW, S Glam, Wales
[7] Univ Hosp Rechts der Isar, Dept Nephrol, Munich, Germany
[8] Teva Pharmaceut Europe, Med Affairs, Harlow, Essex, England