1. Department of Engineering Physics and Mathematics, Faculty of Engineering Tanta University Tanta Egypt
2. Department of Mathematics, Institute of Basic and Applied Sciences Egypt‐Japan University of Science and Technology (E‐JUST) New Borg El‐Arab City Egypt
3. Department of Basic Sciences Higher Institute of Engineering and Technology Kafrelsheikh Kafr Al Sheikh Egypt
4. Department of Mathematics Cankaya University Ankara Turkey
5. Institute of Space Sciences Magurele‐Bucharest Romania
6. Department of Medical Research China Medical University Hospital Taichung City China