1. Department of Clinical Epidemiology & Medical Technology Assessment (KEMTA), Maastricht University Medical Centre, PO Box 5800, 6202 AZ, Maastricht, The Netherlands
2. School for Public Health & Primary Care (CAPHRI), Maastricht University, Maastricht, The Netherlands
3. Laboratory for Clinical Thrombosis & Haemostasis, Department of Internal Medicine, Cardiovascular Research Institute Maastricht, Maastricht University Medical Centre, Maastricht, The Netherlands
4. Institute of Health Policy & Management, Erasmus University Rotterdam, Rotterdam, The Netherlands