1. Department of Medical Oncology; Inselspital, University Hospital of Bern; Bern Switzerland
2. Department of Hematology; Inselspital, University Hospital of Bern; Bern Switzerland
3. Department of Oncology; Kantonsspital Fribourg; Fribourg Switzerland
4. Department of Oncology; Kantonsspital Solothurn; Solothurn Switzerland
5. Department of Oncology; Kantonsspital Lucerne; Lucerne Switzerland