1. Department of Cardiology, Institute of Cardiovascular Diseases, First Affiliated Hospital of Dalian Medical University, Dalian 116011, China.
2. Department of Physiology and Physiopathology, School of Basic Medical Sciences, Capital Medical University, Beijing 100038, China.
3. Department of Cardiology, Fuxing Hospital of the Capital Medical University, Beijing 100038, China.
4. Department of Nutrition and Food Hygiene, School of Public Health, Dalian Medical University, Dalian 116044, China.