1. National Civil Defense and Disaster Management Training Institute, Ministry of the Interior and Safety, 269 Taejosan-gil, Dongnam-gu, Cheonan, Chungcheongnam-do 31068, Republic of Korea
2. Department of Cadastre & Civil Engineering, Vision College of Jeonju, 235 Cheonjam-ro, Wansan-gu, Jeonju, Jeollabuk-do 55069, Republic of Korea
3. Department of Civil Engineering, Engineering Research Institute, Gyeongsang National University, 501 Jinjudae-ro, Jinju, Gyeongsangnam-do 52828, Republic of Korea