1. School of Communication and Information Engineering, Xi’an University of Science and Technology, Xi’an 710054, China
2. School of Safety Science and Engineering, Xi’an University of Science and Technology, Xi’an 710054, China
3. Department of Computer Science, University of Swabi, Swabi, Pakistan
4. Department of Accounting & Information Systems, College of Business & Economics, Qatar University, Doha, Qatar
5. Department of Computer Science, College of Computer Engineering and Sciences, Prince Sattam Bin Abdulaziz University, Alkharj 11942, Saudi Arabia