1. College of Health Management, China Medical University, Shenyang, Liaoning, China
2. Liaoning Province Center for Disease Control and Prevention, Shenyang, Liaoning, China
3. Institute for Shanxi Medical Institution Administration, Taiyuan, Shanxi, China
4. Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
5. Research Center for Health Development – Liaoning New Type Think Tank for University, Shenyang, Liaoning, China