1. Department of Applied Data Science, Sungkyunkwan University, 25-2, Sungkyunkwan-Ro, Jongno-gu, Seoul 03063, Republic of Korea
2. Bizdata, Gangnam-daero 53-gil, Seocho-gu, Seoul 06621, Republic of Korea
3. School of Convergence/Convergence Program for Social Innovation, Sungkyunkwan University, Hoam Hall 50806, 25-2, Sungkyunkwan-Ro, Jongno-gu, Seoul 03063, Republic of Korea