[1] Fdn Jimenez Diaz, Madrid, Spain
[2] Hosp Reg Univ Carlos Haya, Malaga, Spain
[3] Hosp Gen Albacete, Albacete, Spain
[4] CHUA Coruna, La Coruna, Spain
[5] Hosp Clin Univ San Carlos, Madrid, Spain
[6] Hosp Puerta Del Mar, Cadiz, Spain
[7] Hosp Univ C Asturias, Asturias, Spain
[8] Hosp Miguel Servet, Zaragoza, Spain
[9] Roche Farma Sa, Madrid, Spain
[10] Hosp Univ Canarias, San Cristobal De La Lagu, Spain