[1] COLUMBIA UNIV,DEPT DERMATOL,NEW YORK,NY 10027
[2] COLUMBIA UNIV,DEPT PATHOL,NEW YORK,NY 10027
[3] COLUMBIA UNIV,DEPT MED,NEW YORK,NY 10027
[4] COLUMBIA UNIV,GEN CLIN RES CTR,NEW YORK,NY 10027
[5] UNIV PENN,GEN CLIN RES CTR,PHILADELPHIA,PA 19104
[6] UNIV CALIF SAN FRANCISCO,DEPT DERMATOL,SAN FRANCISCO,CA 94143
[7] UNIV CALIF SAN FRANCISCO,GEN CLIN RES CTR,SAN FRANCISCO,CA 94143
[8] TEMPLE UNIV,DEPT DERMATOL,PHILADELPHIA,PA 19122
[9] VIENNA UNIV,DEPT DERMATOL,A-1010 VIENNA,AUSTRIA
[10] UNIV DUSSELDORF,DEPT DERMATOL,D-4000 DUSSELDORF 1,FED REP GER