1. Division of Cardiology, University of Pennsylvania, Hospital of the University of Pennsylvania, Philadelphia
2. Penn Brain Science, Translation, Innovation, and Modulation Center, University of Pennsylvania, Philadelphia
3. Division of Cardiology, Temple University, Temple University Hospital, Philadelphia, Pennsylvania
4. Division of Cardiology, University of Michigan, Ann Arbor
5. Department of Biostatistics, Epidemiology and Informatics, University of Pennsylvania, Philadelphia
6. Cardiology Division, Corporal Michael J. Crescenz VA Medical Center, Philadelphia, Pennsylvania
7. Department of Neurology, University of Pennsylvania, Hospital of the University of Pennsylvania, Philadelphia