Lei, Cao
Chuzhong, Li
Chunhui, Liu
Peng, Zhao
Jiwei, Bai
Xinsheng, Wang
Yazhuo, Zhang
Songbai, Gui http://orcid.org/0000-0002-3638-2018
Funding for this research was provided by:
Beijing Municipal Science and Technology Commission (Z19110700660000)
Capital Health Research and Development of Special (2020-4-1077)
Article History
Received: 20 April 2020
Revised: 23 July 2020
Accepted: 12 August 2020
First Online: 22 August 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This retrospective study was approved by the Ethics Committee of Beijing Tiantan Hospital, Capital Medical University (KYSQ 2019-287-01).
: Informed consent was obtained from all adult participants or the parents of 2 minor participants included in the study.