1. Department of Cardiovascular Internal Medicine, General Hospital of Ningxia Medical University, Yinchuan, Ningxia, People’s Republic of China
2. School of Clinical Medicine, Ningxia Medical University, Yinchuan, Ningxia, People’s Republic of China
3. School of Basic Medicine, Ningxia Medical University, Yinchuan, Ningxia, People’s Republic of China
4. Department of Radiology, General Hospital of Ningxia Medical University, Yinchuan, Ningxia, People’s Republic of China