1. Department of Internal Medicine-Cardiovascular, Shanxi Provincial People’s Hospital, Taiyuan City, Shanxi, China
2. Shanxi Provincial Medical Service Evaluation Center, Taiyuan City, Shanxi, China
3. Department of Ultrasound, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Third Hospital of Shanxi Medical University, Taiyuan, China
4. Department of Cardiology, Shanxi Provincial People’s Hospital, Taiyuan City, Shanxi, China