[1] Hosp Univ Virgen de la Victoria, Malaga, Spain
[2] CHU Juan Canalejo, La Coruna, Spain
[3] Hosp del Mar, Barcelona, Spain
[4] Hosp Reina Sofia, Dept Clin Oncol, Cordoba, Spain
[5] Hosp Virgen de la Salud, Toledo, Spain
[6] Consorci Sanitari Terrassa, Barcelona, Spain
[7] CH Jaen, Jaen, Spain
[8] HCU San Carlos, Madrid, Spain
[9] Hosp Clin Univ, Valencia, Spain