1. Department of Internal Medicine, American University of Beirut Medical Center, P.O. Box 11-0236, Beirut 1107 2020, Lebanon
2. Angelo Bianchi Bonomi Haemophilia and Thrombosis Center, Department of Medicine and Medical Specialties, IRCCS Ca’ Granda Foundation Maggiore Policlinico Hospital, University of Milan, 20122 Milan, Italy
3. Division of General Surgery, Department of Surgery, American University of Beirut Medical Center, P.O. Box 11-0236, Beirut 1107 2020, Lebanon
4. Departments of Clinical Epidemiology and Thrombosis & Hemostasis, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands
5. Division of Surgery and Interventional Science, University College London Hospital, London WC1E 6AU, UK
6. Institute of Anesthesiology, University Hospital and University of Zurich, 8006 Zurich, Switzerland
7. King’s College London British Heart Foundation Centre, The Rayne Institute, St. Thomas’ Hospital, King’s Health Partners AHSC, London SE1 7EH, UK
8. Department of Medicine, Staten Island University Hospital, New York, NY 10305, USA
9. Department of Internal Medicine, Emory University School of Medicine, Atlanta, GA 30322, USA