1. Department of Pharmacology & Toxicology, Brody School of Medicine, East Carolina University, Greenville, North Carolina.
2. Department of Cardiovascular Sciences and East Carolina Heart Institute, Brody School of Medicine, East Carolina University, Greenville, North Carolina.
3. Department of Biochemistry and Molecular Biology, Brody School of Medicine, East Carolina University, Greenville, North Carolina.
4. Department of Kinesiology, Brody School of Medicine, East Carolina University, Greenville, North Carolina.
5. St. Thomas Heart Cardiovascular Surgery, Nashville, Tennessee.