1. Department of Medicine, McAllister Heart Institute, University of North Carolina, Chapel Hill, North Carolina.
2. Division of Pharmacotherapy and Experimental Therapeutics, Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, North Carolina.
3. Cardiovascular Division, Academic Department of Surgery, National Institute for Health Research Biomedical Research Center at Guy's and St Thomas' National Health Service Foundation Trust, King's College London British Heart Foundation Centre of Excellence, London, United Kingdom.
4. Department of Pharmacology and Toxicology, The East Carolina Diabetes and Obesity Institute, East Carolina University, Greenville, North Carolina.