[1] Vivia Biotech, Madrid, Spain
[2] Univ Navarra Clin, Navarra, Spain
[3] Hosp Badalona Germans Trias & Pujol, Barcelona, Spain
[4] Hosp Univ Doce Octubre, Madrid, Spain
[5] Hosp Clin San Carlos, Madrid, Spain
[6] Hosp Reg Univ Carlos Haya, Malaga, Spain
[7] Hosp Univ Infanta Sofia, Madrid, Spain
[8] Hosp Gen Univ Morales Meseguer, Murcia, Spain
[9] Hosp Univ Virgen del Rocio, Seville, Spain
[10] Hosp Gen Segovia, Segovia, Spain
[11] Hosp Univ Ramon y Cajal, Madrid, Spain
[12] Hosp Clin Univ Lozano Blesa, Zaragoza, Spain
[13] Hosp Univ Girona Dr Josep Trueta, Girona, Spain
[14] MD Anderson Canc Ctr Madrid, Madrid, Spain
[15] Hosp Univ Donostia, Guipuzcoa, Spain
[16] Hosp Univ Canarias, Tenerife, Spain
[17] Hosp Gen Univ Gregorio Maranon, Madrid, Spain
[18] HM Univ Sanchinarro, Madrid, Spain
[19] Hosp Clin Univ Salamanca, Salamanca, Spain
[20] Hosp Doce Octubre, Madrid, Spain