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Authors
Li, Yang
Su, Xinhuan
Zhang, Lei
Liu, Yanwei
Shi, Min
Lv, Chenxiao
Gao, Ying
Xu, Dongmei
Wang, Zunsong https://orcid.org/0000-0002-9771-6026
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Article History
Received: 24 April 2019
Accepted: 5 July 2019
First Online: 17 July 2019
Ethics approval and consent to participate
: This study was approved by the Medical Ethics Committee of Shandong Provincial Qianfoshan Hospital (2017-S-015) and registered on the Chinese Clinical Trial Registry (ChiCTR1800015221).
: Not applicable.
: The authors declare that they have no competing interests.
