1. Division of Pharmacoepidemiology and Clinical Pharmacology; Utrecht Institute for Pharmaceutical Sciences; Utrecht University; Utrecht the Netherlands
2. Department of Applied Health Research; University College London; London UK
3. Department of Thrombosis and Hemostasis; Leiden University Medical Center; Leiden the Netherlands
4. Department of Medical Statistics and Bioinformatics; Leiden University Medical Center; Leiden the Netherlands
5. Department of Clinical Epidemiology; Leiden University Medical Center; Leiden the Netherlands
6. Clinical Pharmacology Unit; Academic General Hospital of Evros; Alexandroupolis Greece
7. Laboratory of Pharmacology; Medical School; Democritus University of Thrace; Alexandroupolis Greece