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Authors
Gan, Qing-Xin
Wang, Guan-Nan
Li, Mei-Yu
Feng, Guo-Kai https://orcid.org/0000-0002-8251-291X
Liu, Jin-Xin
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Article History
Received: 13 March 2020
Revised: 21 July 2020
Accepted: 14 August 2020
First Online: 25 August 2020
Compliance with ethical standards
:
: The corresponding authors state that there is no conflict of interest.
: Patient consent for publication of anonymized images was waived.
Free to read: This content has been made available to all.
