Yang, Xinyue
Chen, Yan
Wen, Ziqiang
Liu, Yiyan
Xiao, Xiaojuan
Liang, Wen
Yu, Shenping http://orcid.org/0000-0002-5988-781X
Article History
Received: 14 May 2019
Accepted: 20 September 2019
First Online: 4 November 2019
Ethics approval and consent to participate
: This study was approved by the medical ethics committee of the hospital.
: Written informed consent was obtained from each patient.
: The authors declare that they have no competing interests.