of;
Marine;
Engineering,;
Mokpo;
Maritime;
University,;
Haeyangdaehak-ro;
91Mokpo-Si,;
530-729,;
Korea;
of;
Maritime;
Transportation;
Science,;
College;
of;
Maritime;
Sciences,;
Korea;
Maritime;
and;
Ocean;
University,;
727;
Taejong-ro,;
Yeongdo-gu,;
606-791,;
Korea;