[1] Salamanca Univ Hosp, Salamanca, Spain
[2] Med Univ Silesia, Dept Hematol & Canc Prevent, Katowice, Poland
[3] Sungkyunkwan Univ, Div Hematol Oncol, Dept Med, Samsung Med Ctr,Sch Med, Seoul, South Korea
[4] Pfizer Inc, Paris, France
[5] Pfizer Inc, Cambridge, MA USA