[1] Baylor Coll Med, Houston, TX 77030 USA
[2] Ghent Univ Hosp, B-9000 Ghent, Belgium
[3] Cairo Univ, Cairo Kidney Ctr, Cairo, Egypt
[4] Univ Erlangen Nurnberg, Erlangen, Germany
[5] Univ British Columbia, Vancouver, BC V5Z 1M9, Canada
[6] Renal Res Inst, New York, NY USA
[7] A Manzoni Hosp, Lecce, Italy
[8] Univ Aberdeen, Sch Med, Aberdeen AB9 2ZD, Scotland
[9] Royal Melbourne Hosp, Melbourne, Vic, Australia
[10] Peking Univ, Hosp 1, Beijing 100871, Peoples R China