1. School of Computer Science, Chengdu University, Chengdu, China
2. Department of Mathematics, COMSATS University Islamabad, Lahore Campus, Pakistan
3. Faculty of Education, Van Yuzuncu Yil University, Van, Turkey
4. College of Computer Science & Information System, Jazan University, Jazan, Kingdom of Saudi Arabia
5. College of Chemistry, School of Chemical Engineering and Energy, Zhengzhou University, Zhengzhou, China
6. Department of Mathematics, Lahore College for Women University, Lahore, Pakistan