Li, Shuang
Lang, Xuqiang
Wang, Wei
Yang, Yang
Wang, Jingjing
Li, Hongyang
Wang, Yanling
Wang, Kang
Funding for this research was provided by:
Research Foundation of Beijing Friendship Hospital, Capital Medical University (No.BJ-LM2017005L)
Article History
Received: 17 January 2019
Accepted: 4 October 2019
First Online: 7 November 2019
Ethics approval and consent to participate
: The protocol of this study has been approved by the Ethics Committee of Capital Medical University, Affiliated Beijing Friendship Hospital (2018-P2–205-01) and written consent has been obtained from the patients..
: Not Applicable.
: The authors declare that they have no competing interests.