1. Northwestern University Feinberg School of Medicine, Chicago, Illinois
2. Editor, JAMA Cardiology
3. Duke Clinical Research Institute, Durham, North Carolina
4. Duke University, Durham, North Carolina
5. Associate editor, JAMA Cardiology
6. Stanford University School of Medicine, Stanford, California
7. Center for Digital Health, Stanford University School of Medicine, Stanford, California
8. Veterans Affairs Palo Alto Health Care System, Palo Alto, California