Zhang, Zongzong
Wang, Lina
Chen, Jing
Li, Xiunan
Liu, Dikuan
Cao, Tianyu
Yang, Xuehan
Huang, Hongwei
Wang, Xuejian
Song, Xishuang
Yang, Deyong http://orcid.org/0000-0002-1643-5792
Wang, Jianbo
Article History
Received: 24 July 2019
Accepted: 2 December 2019
First Online: 16 December 2019
Ethics approval and consent to participate
: The name of the ethics committee: Ethics Committee of First Affiliated Hospital of Dalian Medical University.Ethics References No: YJ-KY-FB-2018-59.
: We simply extracted data and did not involve the private information of patients.
: The authors declare that they have no competing interests.