1. Department of Pathology; Perelman School of Medicine at the University of Pennsylvania; Philadelphia; Pennsylvania
2. Department of Medicine; Division of Cardiovascular Disease; Section of Vascular Medicine; Perelman School of Medicine at the University of Pennsylvania; Philadelphia; Pennsylvania
3. Center for Clinical Epidemiology and Biostatistics; Perelman School of Medicine at the University of Pennsylvania; Philadelphia; Pennsylvania
4. Department of Medicine; Division of Endocrinology; Diabetes and Metabolism; Perelman School of Medicine at the University of Pennsylvania; Philadelphia; Pennsylvania