[1] George Inst Global Hlth, Camperdown, NSW, Australia
[2] Univ Sydney, Sydney, NSW 2006, Australia
[3] Concord Repatriat Gen Hosp, Concord, Australia
[4] Menzies Sch Hlth Res, Darwin, NT, Australia
[5] Univ New S Wales, St George Clin Sch, Sydney, NSW 2052, Australia
[6] Univ Amsterdam, Acad Med Ctr, Adult Intens Care Unit, NL-1105 AZ Amsterdam, Netherlands
[7] Hannover Med Sch, Div Nephrol & Hypertens, Dept Med, Hannover, Germany
[8] Univ Pittsburgh, Sch Med, Dept Crit Care Med, Pittsburgh, PA USA
[9] Vet Adm Pittsburgh Healthcare Syst, Pittsburgh, PA USA
[10] Univ Pittsburgh, Sch Med, Dept Med, Pittsburgh, PA 15213 USA
[11] St Bortolo Hosp, Dept Nephrol, Vicenza, Italy
[12] Univ Hosp, Div Nephrol, Zurich, Switzerland
[13] Univ Alabama Birmingham, Dept Med, Div Nephrol, Birmingham, AL 35294 USA
[14] Monash Univ, Australian & New Zealand Intens Care Res Ctr, Sch Publ Hlth & Prevent Med, Melbourne, Vic 3004, Australia