Hao, Zi-Chen
Xia, Yan
Xia, De-Meng
Zhang, Yun-Tong
Xu, Shuo-Gui http://orcid.org/0000-0001-5926-4391
Funding for this research was provided by:
Changhai Hospital of Shanghai (NT201502)
Article History
Received: 25 November 2018
Accepted: 12 June 2019
First Online: 3 July 2019
Ethics approval and consent to participate
: This retrospective study was approved by the Ethics Committee of Changhai Hospital, The Second Military Medical University. Informed consent was waived due to the retrospective nature of this study.
: Not applicable.
: All authors declare that they have no competing interests.