1. Department of Toxicology, Faculty of Pharmacy; University of Yeditepe; Istanbul Turkey
2. Department of Toxicology, Faculty of Pharmacy; University of Hacettepe; Sihhiye Ankara Turkey
3. Department of Toxicology, Faculty of Pharmacy; University of Atatürk; Erzurum Turkey
4. Ankara Occupational Diseases Hospital; Keciören Ankara Turkey
5. Department of Public Health, Faculty of Medicine; Bozok University; Yozgat Turkey