Chen, Yan
Jiang, Yueping
Qian, Wei
Yu, Qihong
Dong, Yuanhang
Zhu, Huiyun
Liu, Feng
Du, Yiqi
Wang, Dong
Li, Zhaoshen
Article History
Received: 6 October 2018
Accepted: 5 April 2019
First Online: 16 April 2019
Ethics approval and consent to participate
: The study protocol was approved by the Changhai Hospital Ethics Committee (reference number: CHEC2008–040). All patients provided written informed consent.
: An informed consent was obtained from all the patients prior to procedure.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.