1. Department of Cardiology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
2. Medicine Lab, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
3. Department of Clinical Pharmacology, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, UK