[1] HOSP LA PAZ,DEPT DERMATOL,MADRID,SPAIN
[2] HOSP GERMANS TRIAS & PUJOL,DEPT DERMATOL,BADALONA,SPAIN
[3] HOSP MARE DEU ESPERANCA,DEPT DERMATOL,BARCELONA,SPAIN
[4] HOSP CLIN UNIV,DEPT DERMATOL,MADRID,SPAIN
[5] HOSP CENT CRUZ ROJA SAN JOSE & ST ADELA,DEPT DERMATOL,MADRID,SPAIN
[6] HOSP NUESTRA SENORA COVADONGA,DEPT DERMATOL,OVIEDO,SPAIN
[7] HOSP GEN,DEPT DERMATOL,ALACANT,SPAIN
[8] HOSP SAN JUAN DIOS,VALENCIA,SPAIN