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DOI: Published online: June 30, 2021 Department of Anesthesiology and Pain Medicine, Dong-A University College of Medicine, Busan, Korea Corresponding Author: Tae Young Lee, Department of Anesthesiology and Pain Medicine, Dong-A University College of Medicine, 26, Daeshingongwon-ro, Seo-gu, Busan 49201, Korea, Tel: +82-51-240-5390 Fax: +82-51-247-7819 E-mail: [email protected] Received: June 24, 2020 Revised: October 3, 2020 Accepted: October 28, 2020 Copyright 2021 by Korean Association of Medical Journal Editors Articles published in Kosin Medical Journal are open-access, distributed under the terms of the Creative Commons Attribution Non-Commercial License ( which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited

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