1. Center for Thrombosis and Hemostasis University Medical Center Mainz Johannes Gutenberg University Mainz Germany
2. Clinic of Angiology University Hospital and University of Zurich Zurich Switzerland
3. Institute of Clinical Chemistry and Laboratory Medicine University Medical Center Mainz Johannes Gutenberg University Mainz Germany
4. Department of Medical Oncology and Hematology University Hospital and University of Zurich Zurich Switzerland
5. Pediatric Congenital Hematologic Disorders Research Center Research Institute for Children's Health Shahid Beheshti University of Medical Sciences Tehran Iran
6. Department of Pediatrics Baqiyatallah University of Medical Sciences Tehran Iran
7. Clinical Pathology IRCCS Regina Elena National Cancer Institute Rome Italy
8. Department of Hematology and Central Hematology Laboratory, Inselspital Bern University Hospital University of Bern Bern Switzerland
9. Zentrum für Kinder‐ und Jugendmedizin Klinik IV Universitätsklinikum Freiburg Freiburg Germany
10. Practicing Physician Bern Switzerland
11. Department of Hematology and Blood Banking Paramedical Faculty Shahid Beheshti University of Medical Sciences Tehran Iran
12. Department of Pediatric Hematology‐Oncology IRCCS Bambino Gesù Children's Hospital Roma Italy
13. Division of Hematology and Central Hematology Laboratory Department of Internal Medicine Kantonsspital Lucerne Lucerne Switzerland
14. Haemostasis Research Unit University College London London UK