1. Department of Cardiology, St Francis Hospital and Heart Center, Roslyn, NY (D.S., A.D., M.S., S.M., K.S., E.S., A.J., R.A.S., Z.A.A.).
2. Cardiovascular Research Foundation, New York, NY (A.M., A.J., Z.A.A.).
3. Department of Medicine, Division of Cardiology, Columbia University Irving Medical Center, New York, NY (A.M.).
4. New York Institute of Technology, Old Westbury (Z.A.A.).