[1] Univ Hosp Grosshadern, Dept Med 3, Munich, Germany
[2] Catholic Hosp Hagen, Dept Med 2, Hagen, Germany
[3] Practice Hem Onc, Offenbach, Germany
[4] Univ Saarland, Sch Med, Dept Med 1, D-6650 Homburg, Germany
[5] Hosp Oldenburg, Dept Med 2, Oldenburg, Germany
[6] St Antonius Hosp, Dept Hematol Oncol, Eschweiler, Germany
[7] City Hosp Braunschweig, Dept Med, Braunschweig, Germany
[8] Univ Gottingen, Dept Hematol Oncol, D-3400 Gottingen, Germany
[9] Univ Mainz, Dept Med 3, D-6500 Mainz, Germany
[10] Hosp Nuernberg N, Dept Med 5, Nurnberg, Germany
[11] Humboldt Univ, Robert Roessle Clin, Charite, Berlin, Germany
[12] Hosp Barmherzige Brueder, Dept Hematol Oncol, Regensburg, Germany
[13] Practice Hem Onc, Saarbrucken, Germany
[14] Franziskus Hosp, Dept Hematol Oncol, Bielefeld, Germany
[15] Practice Hem Onc, Cologne, Germany
[16] Med Univ Hosp, Dept Hematol Oncol, Bochum, Germany