1. Department of Mathematical Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, Selangor, Malaysia
2. Department of Mathematics and Social Sciences, Sukkur IBA University, Sukkur, Pakistan
3. Department of Physics, Faculty of Sciences, University of 20 Août 1955 - Skikda, Skikda, Algeria
4. Department of Mathematical Sciences, Federal Urdu University of Arts, Science & Technology, Karachi, Pakistan
5. Mechanical Engineering Department, College of Engineering, King Saud University, Riyadh, Saudi Arabia
6. Department of Mathematics, Cankaya University, Ankara, Turkey
7. Institute of Space Sciences, Magurele, Romania
8. Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan