1. Department of Hematology University Medicine Essen Essen Germany
2. Oncological Practice Naunhof Germany
3. Medical Care Centre for Blood and Cancer Diseases Potsdam Germany
4. Department of Hematology and Oncology Hospital Sindelfingen‐Böblingen Germany
5. Marienkrankenhaus Hamburg Hamburg Germany
6. Onkologie am Segelfliegerdamm Berlin Germany
7. St.‐Antonius Hospital Eschweiler Germany
8. Roche Pharma AG, Biometrics & Epidemiology Grenzach‐Wyhlen Germany
9. Roche Pharma AG, Department of Hematology Grenzach‐Wyhlen Germany
10. St. Marien Health Centre Amberg Germany