1. Department of Cardiology, Daping Hospital, The Third Military Medical University, Chongqing, P.R. China
2. Chongqing Institute of Cardiology and Chongqing Key Laboratory for Hypertension Research, Chongqing, P.R. China
3. Institute of Vascular Medicine and Li Ka Shing Institute of Health Sciences, Chinese University of Hong Kong, Hong Kong, P.R. China
4. Division of Renal Disease and Hypertension, The George Washington University School of Medicine and Health Sciences, Washington, DC
5. Department of Clinical Nutrition, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, P.R. China