Xue, Ting
Ma, Zhuang
Liu, Fan
Du, Weiqin
He, Li
Wang, Jinyan
An, Chunli
Funding for this research was provided by:
Natural Science Foundation of China (81370189)
Article History
Received: 4 June 2019
Accepted: 12 March 2020
First Online: 20 March 2020
Ethics approval and consent to participate
: This retrospective study was approved by the Institutional Ethics Review Board, China Medical University (2013070). Written informed consent was obtained from all the patients involved in this study.
: Not applicable.
: The authors declared that they have no competing interests.