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Authors
Li, Weiguo https://orcid.org/0000-0003-0026-0219
Mao, Xuesong https://orcid.org/0000-0002-8767-8943
Li, Jieqing https://orcid.org/0000-0003-1024-6883
Fang, Lianying https://orcid.org/0000-0002-9423-1621
Du, Guangfen https://orcid.org/0000-0002-0704-487X
Qiao, Jianwei https://orcid.org/0000-0003-3895-0880
Jia, Ximing https://orcid.org/0000-0002-6909-9470
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Funding
Funding for this research was provided by:
Natural Science Foundation of Shandong Province (ZR2017YL007)
Subsidy Fund for Medical Science and Technology Innovation Project of Shandong Academy of Medical Sciences.
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Article History
Accepted: 18 November 2020
First Online: 23 November 2020
Compliance with Ethical Standards
:
: The authors declare that they have no conflicts of interest.
: The program was approved by Ethics Committee of Shandong Academy of Medical Sciences.
: Respondents confirmed in the questionnaire that their information could be used in published scientific research.
