[1] Univ Zurich, Epidemiol Biostat & Prevent Inst, Dept Publ & Global Hlth, Hirschengraben 84, CH-8001 Zurich, Switzerland
[2] Harvard Med Sch, Brigham & Womens Hosp, Dept Med, Renal Div, Boston, MA 02115 USA
[3] Univ Cape Town, Dept Paediat & Child Hlth, Cape Town, South Africa
[4] Providence Inland Northwest Hlth, Providence Med Res Ctr, 105 W 8th Ave,Suite 250 E, Spokane, WA 99204 USA
[5] Univ Washington, Dept Med, Div Nephrol, Seattle, WA USA
[6] Cairo Univ, Dept Nephrol, Pediat Hosp, Cairo, Egypt
[7] Natl Med Sci & Nutr Inst Salvador Zubiran, Dept Nephrol & Mineral Metab, Mexico City, DF, Mexico
[8] Chinese Univ Hong Kong, Prince Wales Hosp, Dept Med & Therapeut, Shatin, Ninth Floor,Lui Che Woo Clin Sci Bldg,32 Ngan Shi, Hong Kong, Peoples R China
[9] Peterfy Hosp, Neurol Dept, Budapest, Hungary
[10] ISN, ISN Patient Liaison Advisory Grp, Brussels, Belgium
[11] Tamilnad Kidney Res Tanker Fdn, Chennai, Tamil Nadu, India
[12] Aristotle Univ Thessaloniki, AHEPA Hosp, Sch Med, Dept Nephrol 2, Thessaloniki, Greece
[13] Univ Nigeria, Coll Med, Dept Med, Ituku Ozalla, Enugu State, Nigeria
[14] Chinese Univ Hong Kong, Jockey Club Sch Publ Hlth & Primary Care, Div Hlth Syst Policy & Management, Shatin, Hong Kong, Peoples R China
[15] Italian Kidney Fdn, Rome, Italy