1. Department of Property Protection and Security, Şalpazarı Vocational School, Trabzon University, Trabzon, Turkey
2. Program of Biomedical Equipment Technology, Vocational School, Bilecik Şeyh Edebali University, Bilecik, Turkey
3. Regional Directorate of Bursa Forestry, Bursa, Turkey
4. Department of Biology, Faculty of Science, Karadeniz Technical University, Trabzon, Turkey