1. Cankaya University, Department of Mathematics, 06530 Balgat, Ankara, Turkey
2. Institute of Space Sciences, Magurele-Bucharest, Romania
3. Department of Medical Research, China Medical University Hospital, China Medical, University, Taichung, Taiwan
4. Data Recovery Key Laboratory of Sichuan Province, College of Mathematics and Information Science, Neijiang Normal University, Neijiang 641100, China