1. Department of Artificial Intelligence Convergence, Pukyong National University, 45, Yongso-ro, Nam-gu, Busan 48513, Republic of Korea
2. College of Business, Seoul National University, 1, Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea
3. Electronic and Computer Engineering Technology, University of Hawaii Maui College, 310 W Kaahumanu Ave, Kahului, HI 96732, USA