1. Pharmacotherapy Department University of Utah College of Pharmacy Salt Lake City Utah USA
2. Thrombosis Service University of Utah Health Salt Lake City Utah USA
3. Cardiology Clinic University of Michigan Ann Arbor Michigan USA
4. Anticoagulation Management Service Brigham and Women's Hospital Boston Massachusetts USA
5. Anticoagulation Program Loma Linda VA Loma Linda California USA
6. Anticoagulation Program Colorado VA Aurora Colorado USA