title: Author's Reply.
authors.affiliation: Department of Cardiology, Zhengzhou University People's Hospital (Henan Provincial People's Hospital), Zhengzhou, China.
authors.forename: Jin-Tao
authors.initials: JT
authors.lastname: Wu
authors.affiliation: Department of Cardiology, Center for Atrial Fibrillation, Beijing Anzhen Hospital, Capital Medical University, Beijing, China.
authors.forename: De-Yong
authors.initials: DY
authors.lastname: Long
authors.affiliation: Department of Cardiology, Center for Atrial Fibrillation, Beijing Anzhen Hospital, Capital Medical University, Beijing, China.
authors.forename: Jian-Zeng
authors.initials: JZ
authors.lastname: Dong
authors.affiliation: Department of Cardiology, Henan Medical College, Zhengzhou, China. Electronic address: ycksyy@126.com.
authors.forename: Chao-Kuan
authors.initials: CK
authors.lastname: Yang