[1] Georgetown Univ Hosp, Lombardi Comprehens Canc Ctr, 3800 Reservoir Rd NW, Washington, DC 20007 USA
[2] Univ Freiburg, Schwarzwald Baar Clin, Villingen Schwenningen, Germany
[3] Univ Basse Normandie, Univ Hosp, Caen, France
[4] Univ Hosp Munich, Med Clin, Munich, Germany
[5] Univ Wisconsin, Sch Med & Publ Hlth, Madison, WI USA
[6] Karolinska Inst, Dept Med Huddinge, Ctr Hematol, Stockholm, Sweden
[7] Tokai Cent Hosp, Dept Hematol, Gifu, Japan
[8] Krankenhaus NW Frankfurt, Dept Hematol & Oncol, Frankfurt, Germany
[9] Univ Munich, Klinikum Schwabing Acad Teaching Hosp, Munich, Germany
[10] Univ Bologna, Inst Hematol, Bologna, Italy