[1] Hosp Clin Barcelona, Inst Clin Oftalmol ICOF, Barcelona, Spain
[2] Hosp Univ Valme, Seville, Spain
[3] Hosp Donostia, San Sebastian, Spain
[4] Hosp Univ Virgen Rocio, Seville, Spain
[5] Clin Villoria, Pontevedra, Spain
[6] Hosp La Arruzafa, Cordoba, Spain
[7] HM La Esperanza, Inst Oftalmol La Esperanza, Santiago De Compostela, Spain
[8] Complejo Hosp Univ, Serv Oftalmol, La Coruna, Spain
[9] Hosp Ramon & Cajal, Serv Oftalmol, Madrid, Spain
[10] August Pi i Sunyer Biomed Res Inst IDIBAPS, Barcelona 08036, Spain