1 Department of Engineering Science, National Cheng Kung University, Tainan City, Taiwan.
2 School of Computer Science and Engineering, Vellore Institute of Technology (VIT), Vellore, India.
3 Department of Finance, National Taichung University of Science and Technology, Taichung City, Taiwan.
4 Department of Knowledge-Based Mathematical Systems, Johannes Kepler University Linz, Linz, Austria.
5 Faculty of Arts and Science, Department of Statistics, Forecast Research Laboratory, Giresun University, 28200 Giresun, Turkey.
6 Department of Management Science, Management Science School, Marketing Analytics and Forecasting Research Center, Lancaster University, Lancaster, UK.