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Authors
Zhang, Yu-hui
Xu, Xiao
Pi, Hai-chen
Yang, Zhi-kai
Johnson, David W.
Dong, Jie http://orcid.org/0000-0001-7298-3307
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Article History
Received: 4 August 2019
Accepted: 9 October 2019
First Online: 28 November 2019
Ethics approval and consent to participate
: The study is approved by the Peking University First Hospital Research Ethics Committee (Project-ID:2016[1149]). Written informed consent is required from all study participants before their involvement in the trial.
: Not applicable.
: The authors declare that they have no competing interests.
