[1] Hosp Univ Salamanca, Inst Invest Biomed Salamanca IBSAL, Ctr Invest Canc IBMCC USAL CSIC, Salamanca, Spain
[2] Hosp Salamanca, Salamanca, Spain
[3] Hosp Univ Salamanca, Salamanca, Spain
[4] Hosp Univ Burgos, Burgos, Spain
[5] Hosp Clin Univ Valladolid, Valladolid, Spain
[6] Hosp Leon, Leon, Spain
[7] Hosp Gen Segovia, Hematol Dept, Segovia, Spain
[8] Hosp Avila, Avila, Spain
[9] Hosp Bierzo, Ponferrada, Spain
[10] Hosp Zamora, Zamora, Spain