Zeng, Hailuan
Shi, Weibin
Jiang, Wenhai
Rao, Shengxiang
Huang, Beijian
Yan, Hongmei
Gao, Xin
Article History
Received: 23 April 2019
Accepted: 5 August 2019
First Online: 22 August 2019
Ethics approval and consent to participate
: The study was approved by the human research ethics committee of Zhongshan Hospital, Fudan University, with a waiver of consent because this is a retrospective clinical study and did not involve contact with participants or any intervention.
: Not applicable.
: The authors declare that they have no competing interests.