[1] UNIV GENEVA,HOP CANTONAL,DERMATOL CLIN,CH-1211 GENEVA 4,SWITZERLAND
[2] MASSACHUSETTS GEN HOSP,DEPT PATHOL,DIV DERMATOPATHOL,BOSTON,MA 02114
[3] MASSACHUSETTS GEN HOSP,DEPT PATHOL,DIV IMMUNOPATHOL,BOSTON,MA 02114
[4] HARVARD UNIV,SCH MED,VET ADM MED CTR,SPINAL CORD INJURY SERV,BOSTON,MA 02115