1. Department of Computer Programing, Baskale Vocational School, Van Yuzuncu Yil University, Van 65080, Turkey
2. Department of Mathematics, Faculty of Sciences, Van Yuzuncu Yil University, Van 65080, Turkey
3. Research Center for Interneural Computing, China Medical University Hospital, China Medical University, Taichung 404, Taiwan
4. Academy of Romanian Scientists, 50044 Bucharest, Romania