1. Department of Cardiology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
2. Department of Cardiology, The First People’s Hospital of Yulin, Yulin, Guangxi, China
3. Department of Cardiology, The Second Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
4. Guangxi Medical University, Nanning, Guangxi, China