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Authors
Chen, Na
Song, Shuang
Duan, Yanping
Kang, Jia
Deng, Shan
Pan, Hongxin
Zhu, Lan http://orcid.org/0000-0001-5753-5426
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Funding
Funding for this research was provided by:
National Science Foundation for youth (81801401)
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Article History
Received: 3 June 2019
Accepted: 11 May 2020
First Online: 24 May 2020
Ethics approval and consent to participate
: Our study was approved by the ethics committee of Peking Union Medical College Hospital (Number of Ethics document: S-K471). This was a web-based questionnaire survey. The electronic version informed consents were signed by all the participants before they filled the questionnaire.
: Not applicable.
: The authors declare that they have no competing interests.
