1. Division of Hematology; University and University Hospital Zurich; Zurich Switzerland
2. Division of Hematology; Oncology Institute of Southern Switzerland; Bellinzona Switzerland
3. Department of Hematology and Central Hematology Laboratory; Inselspital, Bern University Hospital and University of Bern; Bern Switzerland
4. Service of Hematology and Central Hematology Laboratory; CHUV, Lausanne University Hospital and University of Lausanne; Lausanne Switzerland
5. Department of Medical Oncology; University Hospital Basel; Basel Switzerland
6. Department of Haematology; University Hospital Basel; Basel Switzerland