1. Department of Chemistry, Faculty of Sciences, Atatürk University, Erzurum, Turkey,
2. Zoology Department, College of Science, King Saud University, Riyadh, Saudi Arabia,
3. Ispir Hamza Polat Vocational Training School, Ataturk University, Erzurum, Turkey, and
4. Section of Pharmaceutical and Nutriceutical Sciences, Neurofarba Department, Università degli Studi di Firenze, Sesto Fiorentino (Florence), Italy