1. Department of Smart City Research, Seoul Institute of Technology, Maebongsan-ro 37, Mapo-gu, Seoul, 03909, Republic of Korea
2. Department of Transportation and Logistics Engineering, ERICA Campus-Hanyang University, 55 Hanyangdaehak-ro, Sangnok-gu, Ansan, Gyeonggi-do 15588, Republic of Korea