1. Department of Medicine, Cardiovascular Division, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, USA
2. Venous Thromboembolism Research Group, Brigham and Women’s Hospital, Boston, MA, USA
3. Department of Pharmacy, Brigham and Women’s Hospital, Boston, MA, USA
4. Department of Pharmacy, Beth Israel Deaconess Medical Center, Boston, MA, USA