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Authors
Yu, Lei
Orazmyradov, Berdimyrat
Qi, Songtao
Song, Ye
Fang, Luxiong https://orcid.org/0000-0002-1737-5816
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Article History
Received: 16 September 2019
Accepted: 13 May 2020
First Online: 20 May 2020
Ethics approval and consent to participate
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the Ethics Committee of Nanfang Hospital, Southern Medical University and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. “For this type of study formal consent is not required.”
: No applicable.
: The authors declare that they have no competing interests.
