1. Department of Cardiology, Second Affiliated Hospital Zhejiang University School of Medicine, Jiefang Road 88, Hangzhou 310009, People’s Republic of China
2. Zhejiang University School of Medicine, Yuhangtang Road 866, Hangzhou 310011, People’s Republic of China
3. Department of Electrocardiology, Second Affiliated Hospital Zhejiang University School of Medicine, Jiefang Road 88, Hangzhou 310009, People’s Republic of China