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Authors
Won, Jun Hee
Byun, Seong Jun
Oh, Byung-Mo
Park, Sang Jun
Seo, Han Gil
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Funding
Funding for this research was provided by:
Ministry of Land, Infrastructure and Transport (07-2020-5030)
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Article History
Received: 10 November 2020
Accepted: 9 March 2021
First Online: 23 March 2021
Competing interests
: The authors declare no competing interests.
