1. Department of Thrombosis and Hemostasis Leiden University Medical Center Leiden The Netherlands
2. Department of Pulmonology Amphia Hospital Breda The Netherlands
3. Department of Internal Medicine Amphia Hospital Breda The Netherlands
4. Department of Clinical Epidemiology Leiden University Medical Center Leiden The Netherlands
5. Department of Intensive Care Medicine Alrijne Hospital Leiderdorp The Netherlands
6. Department of Internal Medicine Alrijne Hospital Leiderdorp The Netherlands
7. Department of Intensive Care Medicine Leiden University Medical Center Leiden The Netherlands
8. Department of Intensive Care Medicine Amphia Hospital Breda The Netherlands