1. Department of Cardiology and Hypertension, Jilin Provincial Key Laboratory of Stress and Cardiovascular Disease Yanbian University Hospital Yanji Jilin P. R. China
2. Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education Yanbian University Yanji Jilin P. R. China
3. Department of Cardiology The Second Hospital of Jilin University Changchun Jilin P. R. China
4. Department of Cardiovascular Disease The First Hospital of Jilin University Changchun Jilin P. R. China
5. Department of Community Health & Geriatrics Nagoya University Graduate School of Medicine Nagoya Japan
6. Department of Cardiology, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Disease Chinese Academy of Medical Sciences and Peking Union Medical College Beijing P. R. China
7. Department of Physiology and Pathophysiology, College of Medicine Yanbian University Yanji Jilin P. R. China
8. Department of Division of Cardiology, Department of Internal Medicine, Kyung Hee University Hospital Kyung Hee University Seoul Republic of Korea