1. Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia
2. The Wharton School, University of Pennsylvania, Philadelphia
3. Penn Medicine Nudge Unit, University of Pennsylvania, Philadelphia
4. Penn Center for Health Incentives and Behavioral Economics, University of Pennsylvania, Philadelphia
5. Crescenz Veterans Affairs Medical Center, Philadelphia
6. Virginia Department of Medical Assistance Services, Richmond
7. Department of Internal Medicine, Virginia Commonwealth University School of Medicine, Richmond