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Authors
Ren, Zhengjia
Guo, Junwei
Yang, Chunsong
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Article History
Received: 4 March 2020
Accepted: 20 July 2020
First Online: 31 July 2020
Ethics approval and consent to participate
: This study was approved by the (Southwest Hospital) First Hospital Affiliated with TMMU in China. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and the 1964 Helsinki declaration and its later amendments or comparable ethical standards.Written informed consent was obtained from all individual participants included in the study. The confidentiality and privacy of the interviewees were maintained. All participants were notified before the research that they can withdraw from the research at any time.
: Not Applicable.
: All researchers declare that they have no other conflicts of interest.
