Zhou, Jiaojiao
Guo, Chengwei
Ren, Li
Zhu, Dandi
Zhen, Wenfeng
Zhang, Saina
Zhang, Qing’e
Funding for this research was provided by:
the Scientific Research Common Program of Beijing Municipal Commission of Education (KM202010025011)
the Beijing Municipal Science & Tech Commission (Z191100006619061)
Article History
Received: 25 August 2021
Accepted: 10 March 2022
First Online: 21 March 2022
Declarations
:
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1964 Declaration of Helsinki and its later amendments, and the study protocol was approved by the institutional review board of the Beijing Anding Hospital, Capital Medical University. Because of the retrospective nature of this study, patient informed consent for inclusion was waived by the institutional review board of the Beijing Anding Hospital, Capital Medical University, and the need for written informed consent was waived by the same committee that approved this study’s protocol.
: Not applicable.
: The authors declare that they have no competing interest.