1. Department of Hematology, Oncology and Palliative Care, Klinikum Neuperlach, Munich, Germany
2. Department of Hematology, Oncology and Palliative Care, Klinikum Harlaching, Munich, Germany
3. Department of Oncology, Odense University Hospital, Odense, Denmark
4. Department of Medical Oncology and Hematology, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy