[1] Hosp Univ Princesa, Madrid, Spain
[2] Inst Valenciano Oncol, Valencia, Spain
[3] Hosp Santa Creu & Sant Pau, Barcelona, Spain
[4] Ctr Med Teknon, Barcelona, Spain
[5] Complejo Asistencial Univ Leon, Leon, Spain
[6] Hosp Univ Fdn Alcorcon, Madrid, Spain
[7] Complejo Hosp Univ Guadalajara, Guadalajara, Spain
[8] Clin Univ Navarra, Pamplona, Spain
[9] Hosp La Zarzuela, Madrid, Spain
[10] Hosp Univ Quiron Salud, Madrid, Spain
[11] Hosp del Mar, Barcelona, Spain
[12] Hosp Galdakao, Galdakao, Spain
[13] Hosp La Paz, Madrid, Spain
[14] Hosp Univ Cruces, Baracaldo, Spain
[15] Hosp Gregorio Maranon, Madrid, Spain
[16] Hosp Manises, Valencia, Spain
[17] Complexo Hosp Univ Santiago, Santiago de Compostela, Spain
[18] Complejo Univ Hosp Pontevedra, Pontevedra, Spain
[19] Hosp Infanta Leonor, Madrid, Spain
[20] Hosp Univ La Fe, Valencia, Spain
[21] Hosp Univ Doce Octubre, Madrid, Spain
[22] Hosp Univ Araba, Vitoria, Spain
[23] Complexo Hosp Univ Vigo, Vigo, Spain
[24] Acad Espanola Dermatol, Fdn Piel Sana, Madrid, Spain