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Authors
Ma, Ruilin
Zou, Ying
Wang, Wei
Zheng, Qingmei
Feng, Ying
Dong, Han
Tan, Zhangyun
Zeng, Xiaoqin
Zhao, Yinqing
Deng, Yan
Wang, Yanfang
Sun, Aijun https://orcid.org/0000-0002-0049-0906
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Article History
Received: 15 December 2020
Accepted: 26 August 2021
First Online: 6 September 2021
Declarations
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: The study was approved by the Ethics Committee of Peking Union Medical College Hospital, Chinese Academy of Medical Sciences (No. S-K1373). Written informed consent was obtained from all participants prior to the online survey.
: Not applicable.
: The authors declare that they have no competing interests.
