1. Department of Health Care Services, Ahi Evran University, Kırşehir, Turkey;
2. Department of Physics, Faculty of Arts and Science, Sinop University, Sinop, Turkey;
3. Department of Physics, Faculty of Science, Gazi University, Ankara, Turkey;
4. Department of Physics, Faculty of Arts and Science, Ondokuz Mayıs University, Samsun, Turkey