1. Department of Mathematics, University of Management and Technology Lahore, Lahore, Punjab, Pakistan
2. IT4Innovations, VSB – Technical University of Ostrava, Ostrava, Czech Republic
3. Department of Computer Science and Mathematics, Lebanese American University, Byblos, Lebanon
4. Department of Computer Programming, Baskale Vocational School, Van Yuzuncu Yil University, Tuşba, Van, Turkey