[1] UNIV HOSP ST ETIENNE, HOP NORD, DEPT NEPHROL, F-42055 ST ETIENNE 2, FRANCE
[2] UNIV HOSP ST ETIENNE, HOP NORD, DEPT PATHOL, F-42055 ST ETIENNE 2, FRANCE
[3] UNIV HOSP ST ETIENNE, HOP NORD, DEPT VIROL, F-42055 ST ETIENNE 2, FRANCE
[4] FAC MED JACQUES LISFRANCE, GRP RECH GLOMERULONEPHRITES & TRANSPLANTAT RENALE, F-42023 ST ETIENNE 2, FRANCE