1. Department of Clinical Nutrition, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, People's Republic of China.
2. Division of Renal Diseases & Hypertension, Department of Medicine, The George Washington University School of Medicine and Health Sciences, Washington, District of Columbia, USA.
3. Department of Cardiology, Fujian Heart Medical Center, Fujian Medical University Union Hospital, Fuzhou, People's Republic of China.
4. Department of Cardiology, Daping Hospital, The Third Military Medical University, Chongqing, People's Republic of China.