Affiliation: | 1. Department of Clinical Epidemiology, Leiden University Medical Center, Leiden;2. Department of Vascular Medicine, Academic Medical Center, Amsterdam;3. Department of Haematology, University Medical Center Groningen, Groningen;4. Department of Haematology, University of Maastricht, Maastricht;5. Department of Clinical Epidemiology and Medical Technology Assessment, University Hospital Maastricht, Maastricht, The Netherlands. E‐mail: s.middeldorp@amc.uva.nl |