1. Division of Public Health, Infectious Diseases, and Occupational Medicine, Department of Medicine, Mayo Clinic , Rochester, Minnesota , USA
2. Department of Pharmacy, Mayo Clinic , Rochester, Minnesota , USA
3. Department of Vascular Surgery, Mayo Clinic , Rochester, Minnesota , USA
4. Department of Vascular Surgery, Mayo Clinic , Jacksonville, Florida , USA
5. Department of Cardiovascular Medicine, Mayo Clinic , Rochester, Minnesota , USA