1. Department of Computer Science and Engineering, University of Aizu, Aizuwakamatsu, Japan
2. KU Center for Autonomous Robotic Systems and Electrical Engineering and Computer Science, Khalifa University, Abu Dhabi, United Arab Emirates
3. Department of Management Information Systems and Production Management, College of Business and Economics, Qassim University, Buraidah, Saudi Arabia
4. School of Computer Science and Technology, Southwest University of Science and Technology, Mianyang, China