Jiang, Li
,
Zhu, Yibing
Luo, Xuying
Wen, Ying
Du, Bin
Wang, Meiping
Zhao, Zhen
Yin, Yanyan
Zhu, Bo
Xi, Xiuming
Funding for this research was provided by:
the Beijing Municipal Science & Technology Commission (D101100050010058)
Article History
Received: 22 March 2019
Accepted: 5 December 2019
First Online: 16 December 2019
Ethics approval and consent to participate
: The Ethics Committee of Capital Medical University, Fuxing Hospital and all other participating hospitals approved the informed consent waiver due to the anonymous and non-interventional nature of the study (Additional file InternalRef removed).
: Not applicable.
: The authors declare that they have no competing interests.