Wang, Lin-Chuan
Yan, Fang
Ruan, Jing-Xiong
Xiao, Yao
Yu, Yan
Funding for this research was provided by:
Natural Science Basic Research Program of Shaanxi Province, China (2019JM-364)
Article History
Received: 8 July 2018
Accepted: 27 November 2019
First Online: 9 December 2019
Ethics approval and consent to participate
: Due to the retrospective nature and all patient’s information was kept confidential, the study was deemed exempt from review and approved to be not require informed consent by the Institutional Review Board of the First Affiliated Hospital of Xi’an Jiaotong University.
: Not applicable.
: The authors declare that they have no competing interests.