1. Department of Acute Internal Medicine, University Medical Center Utrecht , Heidelberglaan 100, 3584CX Utrecht , The Netherlands
2. Department of Vascular Medicine, Amsterdam UMC , Meibergdreef 9 1105 AZ Amsterdam , The Netherlands
3. Department of Medicine, University of Ottawa and the Ottawa Hospital Research Institute , 501 Smyth Rd, K1H8L6 Ottawa, Ontario , Canada
4. Department of Haematological Medicine, Guys and St Thomas’ Hospitals, King's College London , Westminster Bridge Road, London, SE1 7EH , UK
5. Thrombosis Research Center (TREC), Department of Clinical Medicine, UiT - The Arctic University of Norway, 9037, Tromsø and Thrombosis Research Center (TREC), Division of internal medicine , University hospital of North Norway, 9038, Tromsø , Norway
6. Thrombosis Research Institute London , 1B Manresa Road Chelsea, SW3 6LR, London , UK
7. Department of Internal Medicine & Radboud Institute of Health Sciences (RIHS), Radboud University Medical Center , Geert Grooteplein 10, 6525 GA Nijmegen , The Netherlands
8. Hudson College of Public Health, University of Oklahoma Health Sciences Center , 801 N.E. 13th Street, Oklahoma City, OK 73104 , USA
9. Department of Clinical Medicine - Department of Clinical Epidemiology , Olof Palmes Allé 43-45, 8200 Aarhus N , Denmark
10. Department of Vascular Medicine, University Medical Center Utrecht , Heidelberglaan 100, 3584CX, Utrecht , The Netherlands