Dong, Dong
Xu, Weiling
Zhang, Lei
Qiu, Xiang
Chen, Xin
Wang, Jingyu http://orcid.org/0000-0003-4416-1546
Article History
Received: 13 April 2019
Accepted: 20 December 2019
First Online: 4 January 2020
Compliance with Ethical Standards
: Informed consent was obtained from all individual participants included in the study. The study was approved by the appropriate institutional review board of our hospital.
: The authors declare that they have no conflicts of interest.