1. Department of Medicine, Division of Cardiology; McMaster University; Hamilton Ontario Canada
2. Department of Medicine and Cardiovascular Research; University Hospital; Basel Switzerland
3. Mercy Heart & Vascular Institute; Mason City Iowa
4. The Cardiovascular Institute; Mount Sinai Medical Center; New York, New York
5. Department of Cardiology; University Hospitals of Cleveland; Cleveland Ohio
6. Department of Thrombosis and Hemostasis; Leiden University Medical Center; Leiden Netherlands
7. Institute of Cardiovascular Sciences, University of Birmingham, United Kingdom, and Aalborg Thrombosis Research Unit, Department of Clinical Medicine; Aalborg University; Aalborg Denmark
8. Department of Biostatistics; Boehringer Ingelheim; Ridgefield Connecticut