1. School of Sciences and Arts, Suqian University, Suqian 223800, China
2. Department of Mathematics, University of Tiaret, Tiaret 14035, Algeria
3. Department of Economic Sciences, University of Tiaret, Tiaret 14035, Algeria
4. Department of Mathematics, Azarbaijan Shahid Madani University, Tabriz, Iran
5. School of Mathematical Sciences, Chongqing Normal University, Chongqing 401331, China
6. Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan