Zhang, Xiangying
Tian, Yuan
Xu, Ling
Fan, Zihao
Cao, Yaling
Ma, Yingmin
Li, Hao
Ren, Feng
Funding for this research was provided by:
the National Natural Science Foundation of China (81770611, 82002243)
Key Projects of the Beijing Municipal Education Commission's Science and Technology Plan (KZ202010025035)
Special key research project of capital health development scientific research (2020-1-1151)
the Demonstrating Application and Research of Clinical Diagnosis and Treatment Technology in Beijing (Z191100006619096, Z191100006619097)
Beijing Talents foundation (2018000021469G289)
Beijing Hospitals Authority Youth Programme (QML20201702)
Article History
Received: 29 November 2021
Accepted: 6 February 2022
First Online: 17 March 2022
Declarations
:
: Xiangying Zhang, Yuan Tian, Ling Xu, Zihao Fan, Yaling Cao, Yingmin Ma, Hao Li and Feng Ren have declared that no competing interest exists.
: The study protocol satisfied the ethical guidelines of the 1975 Declaration of Helsinki and was approved by the medical ethics committee of Beijing Youan Hospital, Capital Medical University.
: Not applicable.
: The requirement for written informed consent was waived because of the retrospective nature of this study.
: All the authors consented to publish work.
: Not applicable.
: All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1975, as revised in 2008 (5). Informed consent was obtained from all patients for being included in the study.