1. Department of Mathematical Sciences, College of Science, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia
2. Department of Mathematics, Faculty of Science, Zagazig University, Zagazig, Egypt
3. Department of Mathematics, Faculty of Science, Taibah University, Madinah, Saudi Arabia
4. Arab Academy for Science, Technology and Maritime Transport, Alexandria, Egypt
5. Council of Futuristic Studies and Risk Management, Academy of Scientific Research and Technology, Egypt