1 Department of Electrocardiogram, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.
2 Tianjin Key Laboratory of Ionic-Molecular Function of Cardiovascular disease, Department of Cardiology, Tianjin Institute of Cardiology, Second Hospital of Tianjin Medical University, Tianjin, China.
3 Lankenau Medical Center and Lankenau Institute for Medical Research, Wynnewood, PA, USA.
4 Fuwai Huazhong Hospital, Chinese Academy of Medical Sciences, Zhengzhou, Henan, China.
5 Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, PA, USA.