1. Department of Medicine Richmond University Medical Center Staten Island NY USA
2. Division of Endocrinology, Diabetes and Metabolic Diseases, Department of Medicine Medical University of South Caroline Charleston SC USA
3. Heart and Vascular Center, Division of Cardiology Medical University of South Carolina Charleston SC USA
4. Department of Dermatology and Dermatologic Surgery Medical University of South Carolina Charleston SC USA
5. Department of Pediatrics Medical University of South Carolina Charleston SC USA