1. Department of Mathematics, Air University, PAF Complex E-9, Islamabad 44230, Pakistan
2. Department of Biomedical Engineering, Riphah International University, Islamabad 45320, Pakistan
3. Department of Mathematics, College of Sciences, Princess Nourah Bint Abdulrahman University, Riyadh 11671, Saudi Arabia
4. Department of Mathematics, College of Science and Arts, Qassim University, Al-Badaya 51951, Saudi Arabia
5. Department of Operations and Management Research, Faculty of Graduate Studies for Statistical Research, Cairo University, Giza 12613, Egypt