1. Department of Cardiovascular Surgery, Tangshan Gongren Hospital, Tangshan, China
2. Department of Cardiology, Tangshan Gongren Hospital, Tangshan, China
3. Graduate School, Hebei Medical University, Shijiazhuang, China
4. School of Clinical Medicine, North China University of Science and Technology, Tangshan, China
5. Department of Intervention, Tangshan Gongren Hospital, Tangshan, China
6. Department of Cardiology, Kailuan General Hospital, Tangshan, China