1. Department of Medicine, Division of Public Health, Infectious Diseases and Occupational Medicine, Mayo Clinic College of Medicine and Science Mayo Clinic Rochester Minnesota USA
2. Division of Clinical Trials and Biostatistics Mayo Clinic Rochester Minnesota USA
3. Department of Cardiovascular Disease, Mayo Clinic College of Medicine and Science Mayo Clinic Jacksonville Florida USA
4. Department of Cardiovascular Medicine, Mayo Clinic College of Medicine and Science Mayo Clinic Rochester Minnesota USA