Wang, Jinli
Zhao, Hongyang
Xu, Fenfen
Zhang, Piaopiao
Zheng, Yuan
Jia, Nan
Article History
Received: 3 March 2019
Accepted: 27 May 2019
First Online: 4 June 2019
Compliance with ethical standards
:
: Jinli Wang, Hongyang Zhao, Fenfen Xu, Piaopiao Zhang, Yuan Zheng and Nan Jia declare that they have no conflict of interest.
: This study had been approved by the ethics committee of the second Affiliated Hospital of Harbin Medical University.
: Informed consent was obtained from all individual participants included in the study.