1. Department of Mathematics, Azarbaijan Shahid Madani University, Tabriz, Iran
2. Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan
3. Department of Mathematics and Statistics, School of Basic and Applied Sciences, Central University of Punjab, Bathinda, Punjab 151001, India
4. Department of Mathematics, Faculty of Arts and Sciences, Ondokuz Mayis University, Atakum-55200, Samsun, Turkey