1. Management Information Systems Department, Kadir Has University, İstanbul 34200, Turkey
2. Department of Electrical and Electronics Engineering, Engineering Faculty, Eskişehir Technical University, Eskişehir 26555, Turkey
3. Department of Physics, Eskişehir Osmangazi University, Eskişehir 26480, Turkey
4. Mechanical Engineering Department, Engineering Faculty, Eskişehir Technical University, Eskişehir 26555, Turkey