[1] Mt Sinai Med Ctr, New York, NY 10029 USA
[2] Emory Univ, Atlanta, GA 30322 USA
[3] Univ Hosp Leuven, Leuven, Belgium
[4] Hosp Rim, Sao Paulo, Brazil
[5] Inst Nefrol, Buenos Aires, DF, Argentina
[6] Univ Hosp, Toulouse, France
[7] Med Univ Vienna, Vienna, Austria
[8] Hannover Med Sch, D-30623 Hannover, Germany
[9] Bristol Myers Squibb, Lawrenceville, NJ USA
[10] Univ Hosp Bellvitge, Barcelona, Spain
[11] Univ Hop Bicetre, Villejuif, France