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Authors
Cai, Ze-Lang
Chen, Jia-Jie
Zhang, Zhen
Hou, Yi-Bo
He, Yong-shen
Sun, Jin-Lyu
Ji, Kunmei https://orcid.org/0000-0002-5754-8697
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Article History
Received: 7 April 2019
Accepted: 14 May 2019
First Online: 23 May 2019
Ethics approval and consent to participate
: Permission to conduct this study was obtained from the Ethics Committee of the First Affiliated Hospital of Guangzhou Medical College (No. 2012-51). Informed consent was obtained from all individual participants included in the study. All procedures involving human participants were in accordance with the ethical standards of the committee.
: Not applicable.
: The authors declare that they have no competing interests.
