1. Department of Electrical Engineering, Cheng Shiu University, Kaohsiung 83301, Taiwan
2. Department of Intelligent Commerce, National Kaohsiung University of Science and Technology, Kaohsiung 824004, Taiwan
3. Department of Computer Science and Engineering, College of Applied Studies and Community Service, King Saud University, Riyadh, KSA
4. Department of Mathematics and Statistics, University of Neyshabur, Neyshabur, Iran