1. Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing 210029, China
2. Department of Cardiology, The First People's Hospital of Yancheng, Fourth Affiliated Hospital of Nantong University, 166 Yulong Road, Yancheng 224005, China
3. Department of Cardiology, The Rugao People's Hospital, Teaching Hospital of Nantong University, 278 Ninghai Road, Rugao 226500, China
4. Department of Cardiology, The First People's Hospital of Zhangjiagang, Affilated Hospital of Soochow University, 68 Jiyang Road, Zhangjiagang 215600, China