[1] Univ Muenchen Grosshadern Klinikum, Med Klin 3, Grosshansdorf, Germany
[2] Univ Muenchen Grosshadern Klinikum, Med Klin 3, Munich, Germany
[3] Acad Hosp St Jan, Brugge, Belgium
[4] Klinikum Oldenburg, Oldenburg, Germany
[5] Hop St Louis, Dept Hematol, Paris, France
[6] Innere Med Klin 1, Homburg Saar, Germany
[7] Univ Cologne, Klinikum Koln, Cologne, Germany
[8] Univ Gottingen, Det Hem & Onc, Gottingen, Germany
[9] Carl Thiem Klinikum, Cottbus, Germany
[10] EFS AL, Bordeaux, France
[11] Univ Hosp Gasthuisberg, Hematol, Louvain, Belgium
[12] Univ Modena, Dept Med Oncol, I-41100 Modena, Italy
[13] Univ Groningen, Univ Med Ctr Groningen, NL-9713 AV Groningen, Netherlands
[14] Univ Munich, Munich, Germany