1. Department of Histology and Embryology, Yüzüncü Yil University Medical School, Van, Turkey.
2. Department of Histology and Embryology, Sakarya University Medical School, Sakarya, Turkey.
3. Department of Physiology, Yüzüncü Yil University Medical School, Van, Turkey.
4. Department of Physiology, Istanbul Medipol University, School of Medicine, Istanbul, Turkey.
5. Department of Histology and Embryology, Selçuk University Medical School, Konya, Turkey.
6. Department of Physiology, Ondokuz Mayis University Medical School, Samsun, Turkey.
7. Department of Primary Education, Yüzüncü Yil University, Faculty of Education, Van, Turkey.