1. Department of Mathematics, Azarbaijan Shahid Madani University, Tabriz, Iran
2. Department of Mathematics, Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul, Republic of Korea
3. Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan
4. Department of Mathematical Sciences, Fatima Jinnah Women University, Rawalpindi, Pakistan
5. Department of Mathematics, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand