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Authors
Xia, Xiang
Xu, Jia
Zhu, Chunchao
Cao, Hui
Yu, Fengrong
Zhao, Gang http://orcid.org/0000-0002-2405-3372
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Funding
Funding for this research was provided by:
Shanghai Sailing Program (17YF1415700)
Shanghai Municipal Commission of Health and Family Planning (2017BR043)
Hospital Development Center (16CR2022A)
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Article History
Received: 15 December 2018
Accepted: 8 May 2019
First Online: 22 May 2019
Ethics approval and consent to participate
: Ethics approval was obtained by the Ethics Committee of Ren Ji hospital and written informed consent for participation in the study was obtained from participants. Research was in compliance with the Declaration of Helsinki (ExternalRef removed).
: Not applicable
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
