1. Department of Internal Medicine I, Division of Hematology & Hemostaseology, Medical University of Vienna, Vienna, Austria
2. Ludwig Boltzmann Cluster Oncology, Medical University of Vienna, Vienna, Austria
3. Department of Internal Medicine V (Hematology and Oncology), Medical University Innsbruck, Innsbruck, Austria
4. Department of Internal Medicine II (Infectious Diseases, Immunology, Rheumatology, Pneumology), Medical University Innsbruck, Innsbruck, Austria
5. Vth Medical Department with Hematology, Oncology and Palliative Medicine, Hospital Hietzing, Vienna, Austria
6. 3rd Medical Department, Hanusch Hospital, Vienna, Austria
7. Department of Internal Medicine, Elisabethinen Hospital, Linz, Austria
8. Division of Hematology, Department of Internal Medicine, Medical University of Graz, Graz, Austria