1. Department of Angiology, University Hospital Zurich, Switzerland
2. Department of Medicine - Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, The Netherlands
3. University of Zurich, Switzerland
4. Center for Thrombosis and Hemostasis, University Hospital of the Johannes Gutenberg University Mainz, Germany
5. Department of Medicine and Ageing Sciences, “G. d’Annunzio” University of Chieti-Pescara, Chieti, Italy
6. University of New Mexico College of Pharmacy, Albuquerque NM, USA
7. Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, The Netherlands