1. Hematology Division and Pediatric Hematology‐oncology University Hospital and Children's University Hospital Basel Switzerland
2. SBST Data Registry Office University Hospital Basel Switzerland
3. Division of Hematology Division of Pediatric Oncology and Hematology University Hospital Geneva (HUG) Cansearch Research Platform for Pediatric Oncology Faculty of Medicine University of Geneva Geneva Switzerland
4. Service and Central Laboratory of Hematology, Service of Immunooncology Departments of Oncology Laboratory Medicine and Pathology University Hospital Lausanne Switzerland
5. Department of Medical Oncology Department of Hematology and Central Hematology Laboratory Division of Hematology/Oncology Department of Pediatrics University Hospital Inselspital and University of Berne Bern Switzerland
6. Division of Hematology/Oncology Kantonsspital Gt. Gallen Switzerland
7. Department of Immunology/Hematology/Oncology/Stem Cell Transplantation and Gene‐Therapy University Children's Hospital Zurich Switzerland
8. Division of Medical Oncology and Hematology Kantonsspital St. Gallen Switzerland
9. Swiss Blood Stem Cells Donor Registry Swiss Transfusion SRC Berne Switzerland
10. Division of Hematology/Oncology Clinic Hirslanden Zurich Switzerland
11. Division of Hematology Istituto Oncologico Della Svizzera Italiana Ospedale San Giovanni Bellinzona Switzerland
12. Department of Medical Oncology and Hematology University Hospital Zurich Zurich Switzerland