[1] Hosp Rim & Hipertensao, Sao Paulo, Brazil
[2] Univ Hosp Bellvitge, Barcelona, Spain
[3] Univ Hosp Leuven, Louvain, Belgium
[4] Hannover Med Sch, D-30623 Hannover, Germany
[5] Mt Sinai Med Ctr, New York, NY 10029 USA
[6] Hop Henri Mondor, F-94010 Creteil, France
[7] Inst Nefrol, Buenos Aires, DF, Argentina
[8] St Louis Univ, St Louis, MO 63103 USA
[9] Bristol Myers Squibb Co, Princeton, NJ USA
[10] Hop Bicetre, Le Kremlin Bicetre, France