1. Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles
2. Center for Digital Health, Penn Medicine, University of Pennsylvania, Philadelphia
3. Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania, Philadelphia
4. Leonard Davis Institute of Health Economics, University of Pennsylvania, Philadelphia
5. Department of Emergency Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia
6. Urban Health Lab, Perelman School of Medicine, University of Pennsylvania, Philadelphia
7. Division of General Internal Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia