1. Department of Internal Medicine, Division of Oncology and Hematology, Paracelsus Medical University, Klinikum Nuernberg, Nuernberg, Germany
2. Department of Internal Medicine, Hematology and Oncology, Vivantes Clinic Neukoelln, Berlin, Germany
3. Charité – Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Department of Psychosomatic Medicine, Center for Internal Medicine and Dermatology, Berlin, Germany
4. Hematology/Medical Oncology, Psychooncology and Palliative Medicine, Starnberg, Germany