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Article History

Received: 8 March 2021

Accepted: 28 July 2021

First Online: 17 August 2021

Declarations

:

: The authors have no relevant financial or non-financial interests to disclose.

: This retrospective chart review study involving human participants was in accordance with the ethical standards of the institutional and national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The Human Investigation Committee (IRB) of Dongguk University approved this study.

: Patients signed informed consent regarding publishing their data and photographs.