1. Department I of Internal Medicine; Center of Integrated Oncology (CIO), and CECAD-Cluster of Excellence “Cellular Stress Responses in Aging-Associated Diseases,” University of Cologne; Germany
2. Institute of Medical Statistics and Epidemiology, Technical University; Munich Germany
3. Department I of Internal Medicine; Clinical Center Schwabing; Munich Germany
4. Department of Hematology; University Hospital Essen; Germany
5. Department for Internal Medicine II; University Hospital of Würzburg; Germany
6. Hematology/Oncology Group Practice; Halle Germany
7. Private Practice Oncology and Hematology; Kronach Germany
8. Department III of Internal Medicine; University Hospital; Ulm Germany