1. Department of Internal Medicine II University Hospital of Schleswig‐Holstein Kiel Germany
2. Amgen Research (Munich) GmbH Munich Germany
3. Scientific Directorate IRCCS Istituto Romagnolo per lo Studio dei Tumori (IRST) “Dino Amadori” Meldola Italy
4. Amgen Inc. Thousand Oaks California USA
5. Department of Leukemia The University of Texas MD Anderson Cancer Center Houston Texas USA