[1] Inst Dermatol GlobalDerm, Dermatol Dept, Palma Del Rio 14700, Spain
[2] Hosp San Juan Dios, Cutaneous Oncol Unit, Cordoba 14012, Spain
[3] Univ Autonoma Barcelona, Inst Invest Germans Trias & Pujol, Hosp Univ Germans Trials & Pujol, Dermatol Dept, Badalona 08916, Spain
[4] Univ Turin, Sect Dermatol, Med Sci Dept, I-10124 Turin, Italy
[5] Univ Barcelona, Inst Invest Biomed August Pi i Sunyer IDIBAPS, Hosp Clin, Melanoma Unit,Dermatol Dept, Barcelona 08036, Spain
[6] ISCIII, Biomed Res Networking Ctr Rare Dis CIBERER, Barcelona 28029, Spain
[7] Hosp Univ Coruna, Dept Dermatol, La Coruna 15006, Spain
[8] Hosp Univ Virgen Macarena, Med & Surg Dermatol Dept, Melanoma Unit, Seville 41009, Spain
[9] Complejo Asistencial Univ Salamanca, Dermatol Dept, Salamanca 37007, Spain
[10] Hosp Univ La Fe, Dermatol Dept, Valencia 46126, Spain
[11] Univ Hosp Coimbra, Dept Dermatol, P-3000075 Coimbra, Portugal
[12] Acad Espanola Dermatol, Fdn Piel Sana, Unidad Invest, Madrid 28008, Spain
[13] Univ Turin, Sect Surg Pathol, Med Sci Dept, I-10124 Turin, Italy
[14] Univ Barcelona, Inst Invest Biomed August Pi i Sunyer IDIBAPS, Hosp Clin Barcelona, Nucl Med Dept, Barcelona 08036, Spain
[15] Univ Barcelona, Hosp Clin, Surg Dept, Barcelona 08036, Spain
[16] Univ Barcelona, Hosp Clin, Pathol Dept, Barcelona 08036, Spain
[17] Inst Valenciano Oncol, Dermatol Dept, Valencia 46009, Spain
[18] Inst Valenciano Oncol, Surg Dept, Valencia 46009, Spain
[19] Inst Valenciano Oncol, Pathol Dept, Valencia 46009, Spain
[20] Inst Valenciano Oncol, Otorhinolaringol Dept, Valencia 46009, Spain
[21] Hosp Univ Germans Trial & Pujol, Pathol Dept, Badalona 08916, Spain
[22] Complejo Asistencial Univ Salamanca, Inst Invest Biomed Salamanca, Salamanca 37007, Spain