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Authors
Li, S. Y.
Song, L. P.
Ma, Y. S.
Lin, X. M.
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Article History
Received: 25 March 2019
Accepted: 19 April 2020
First Online: 28 April 2020
Ethics approval and consent to participate
: Ethical approval was obtained from China Ethics Committee of Registering Clinical Trials (ChiECRCT-20180059), address: West China Hospital, Sichuan University, NO. 37, Guo Xue Xiang, Chengdu, Sichuan, China. The trial was registered in the Chinese Clinical Trial Registry (ChiCTR1800016390, date of registration: 2018-5-30) prior to patient enrollment. Written informed consent was abtained from all patients.
: Not applicable.
: The authors declare that they have no competing interests.
