1 Heart Center, The First Hospital of Hebei Medical University, Hebei Medical University, 89 Donggang Road, Shijiazhuang, Hebei Province 050031, China.
2 Heart Center, The Second Hospital of Hebei Medical University, 215 Heping West Road, Shijiazhuang, Hebei 050000, China.
3 Cardiovascular Research Center of Hebei Medical University, Hebei Medical University, 361 Zhongshan East Road, Shijiazhuang, Shijiazhuang 050017, China.