[1] Robert Debre Hosp, Virol Lab, Reims, France
[2] Ctr Leon Berard, Dept Pathol, F-69373 Lyon, France
[3] Hop Jean Minjoz, Dept Pathol, F-25030 Besancon, France
[4] Hop St Jacques, Serv Nephrol, Dept Nephrol & Renal Transplantat, F-25000 Besancon, France