1. Department of Cardiovascular Surgery; West China Hospital; Sichuan University; Chengdu; Sichuan; People's Republic of China
2. Department of Cardiovascular Surgery; The Second Affiliated Hospital of Zhejiang University College of Medicine; Hangzhou; Zhejiang; People's Republic of China
3. Department of Cardiology; West China Hospital; Sichuan University; Sichuan University; Chengdu; Sichuan; People's Republic of China