1. Robert D. and Patricia E. Kern Center for the Science of Health Care Delivery, Mayo Clinic, Rochester, MN
2. Division of Gastroenterology and Hepatology, Department of Medicine, Mayo Clinic, Scottsdale, AZ
3. Division of Health Care Policy and Research, Department of Health Services Research, Mayo Clinic, Rochester, MN
4. Division of General Internal Medicine, Johns Hopkins School of Medicine, Baltimore, MD
5. Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health and Center for Drug Safety and Effectiveness, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD
6. Optum Labs, Cambridge, MA
7. Heart Rhythm Section, Cardiovascular Diseases, Mayo Clinic, Rochester, MN