title: Reply.
authors.affiliation: Department of Thoracic Surgery, Xinqiao Hospital, Third Military Medical University, Chongqing 400037, China.
authors.forename: Dong
authors.initials: D
authors.lastname: Zhou
authors.affiliation: Department of Thoracic Surgery, Xinqiao Hospital, Third Military Medical University, Chongqing 400037, China.
authors.forename: Quan-Xing
authors.initials: QX
authors.lastname: Liu
authors.affiliation: Department of Thoracic Surgery, Xinqiao Hospital, Third Military Medical University, Chongqing 400037, China. Electronic address: 691057831@qq.com.
authors.forename: Ji-Gang
authors.initials: JG
authors.lastname: Dai