Shen, Tong-xu
Liu, Lin
Li, Wen-hui
Fu, Ping
Xu, Kai
Jiang, Yu-qing
Pan, Feng
Guo, Yan
Zhang, Meng-chao
Article History
Received: 27 December 2018
Accepted: 26 May 2019
First Online: 7 June 2019
Ethics approval and consent to participate
: This study was approved by the Medical Ethics Committee of China-Japan Union Hospital of Jilin University and informed consent was waivered due to retrospective nature.
: Not applicable.
: The authors declare that they have no competing interests.