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Authors
Liu, Xiaomei
Luo, Biru
Peng, Wentao
Xiong, Fei
Yang, Fan
Wu, Jinhui
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Article History
Received: 11 April 2019
Accepted: 3 July 2019
First Online: 22 July 2019
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of West China Second Hospital, Sichuan University. Informed consent was obtained from all participants.
: Not applicable.
: All authors declare that they have no conflicts of interest.
