1. Department of Spatial Environment System Engineering, Handong Global University, Gyeongbuk, Republic of Korea
2. Institute for Global Education, UNAI Korea, Seoul, Republic of Korea
3. Korea International Cooperation Agency, Gyeonggido, Republic of Korea
4. Department of Civil and Environmental Engineering, College of Engineering, Seoul National University, Seoul, Republic of Korea
5. Smart City Research Center, Advanced Institute of Convergence Technology, Seoul National University, Suwon, Republic of Korea