1. Center for Thrombosis and Hemostasis, University Medical Center of the Johannes Gutenberg University Mainz Germany
2. Department of Hematology and Central Hematology Laboratory, Inselspital, Bern University Hospital University of Bern Bern Switzerland
3. Haemostasis Research Unit University College London London UK
4. Division of Pediatric Endocrinology, Diabetology and Metabolism, Department of Pediatrics, Inselspital, Bern University Hospital University of Bern Bern Switzerland
5. University Institute of Clinical Chemistry, Inselspital, Bern University Hospital, University of Bern Bern Switzerland