1. Department of Mathematics, University of Dhaka, Dhaka 1000, Bangladesh
2. Chemistry Department, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
3. Center of Excellency for Advanced Materials Research, King Abdulaziz University, Jeddah, Saudi Arabia
4. Faculty of Medicine and Health Science, Ghent University, Gent 9000, Ghent, Belgium