[1] Goethe Univ, Dept Med Hematol Oncol 2, Frankfurt, Germany
[2] Univ Hop St Louis, Hematol, Paris, France
[3] AP HP, Paris, France
[4] Amgen Res Munich GmbH, Munich, Germany
[5] Univ Verona, Sect Hematol, Dept Med, Verona, Italy
[6] Catholic Univ Louvain, CHU UCL Namur Godinne, Yvoir, Belgium
[7] Univ Klinikum Tubingen, Univ Hosp, Tubingen, Germany
[8] Univ Klinikum Tubingen, Comprehens Canc Ctr Tubingen, Tubingen, Germany
[9] Univ Klinikum Wurzburg, Med Klin & Poliklin 2, Wurzburg, Germany
[10] Univ Klinikum Schleswig Holstein, Dept Internal Med 2, Campus Kiel, Kiel, Germany
[11] Amgen Ltd, Cambridge, England
[12] Uniklinikum Wurzburg, Comprehens Canc Ctr Mainfranken, Wurzburg, Germany