1. Division of Angiology and Haemostasis, University Hospitals of Geneva, Switzerland
2. Service and Central Laboratory of Haematology, Lausanne University Hospital, Lausanne, Switzerland
3. Division of Haematology, University Children’s Hospital, Zurich, Switzerland
4. Department of Haematology and Central Haematology Laboratory, Inselspital, Bern University Hospital, University of Bern, Switzerland
5. Centre for perioperative Thrombosis and Haemostasis, Zurich, Switzerland
6. Clinic of Haematology, Oncology Institute of Southern Switzerland, Bellinzona, Switzerland
7. Cantonal Hospital of St Gallen, Switzerland
8. Dagnostic Haematology, Basel University Hospital, Basel, Switzerland
9. Department of Medical Oncology and Haematology, University Hospital Zurich, Switzerland
10. Diagnostic Haematology, Basel University Hospital, Basel, Switzerland
11. Division of Hematology and Central Hematology Laboratory, Cantonal Hospital of Lucerne, Lucerne, and University of Bern, Switzerland