Wei, Cui
Hongxia, Gao
Hui, Fang
Xianhui, Qin
Danqun, Jin
Haipeng, Liu
Article History
Received: 10 September 2019
Revised: 1 June 2020
Accepted: 17 June 2020
First Online: 13 August 2020
Competing interests
: The authors declare no competing interests.
: Informed consent was waived for the retrospective nature and the lack of participant interaction.