1. BMT Unit and Tumor- and Immunobiology Laboratory, Division of Hematology & Oncology, Department of Internal Medicine, Innsbruck University Hospital, A-6020 Innsbruck, Austria
2. Children's University Hospital, Innsbruck, Austria
3. Austrian Bone Marrow Donor Registry, Vienna, Austria
4. Department of Transfusion Medicine, Innsbruck University Hospital, A-6020 Innsbruck, Austria
5. Laboratory of Molecular Genetics, Department of Transfusion Medicine, Vienna University Hospital, Vienna, Austria
6. Department of Psychiatry, Innsbruck University Hospital, A-6020 Innsbruck, Austria