1. Department of Cardiology, The Affiliated Longyan First Hospital of Fujian Medical University, Longyan, Fujian 364000, China
2. Department of Cardiology, Xuzhou Central Hospital, Xuzhou, Jiangsu 221000, China
3. Department of Cardiovascular Surgery, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100037, China
4. Division of Cardiology, The First Affiliated Hospital with Nanjing Medical University, Nanjing 210000, China