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Authors
Liang, Minglong
Xiao, He
Xie, Bing
Yin, Xuntao
Wang, Jian
Yang, Hong https://orcid.org/0000-0002-3217-1221
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Article History
Received: 10 March 2019
Accepted: 29 July 2019
First Online: 2 August 2019
Ethics approval and consent to participate
: We declare that all procedures performed in this study involving human participants have been approved by the Southwest Hospital Ethics Committee and have therefore been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments. We declare that written informed consents were obtained from all participants and their legal guardians.
: Not applicable.
: The authors declare that they have no competing interests.
