1. Department of Animal Health Economics and Management, Kastamonu University, Kastamonu, Turkey
2. Department of Animal Health Economics and Management, Selçuk University, Konya, Turkey
3. Department of Animal Health Economics and Management, Mehmet Akif Ersoy University, Burdur, Turkey
4. Department of Animal Health Economics and Management, Fırat University, Elazıg, Turkey
5. Department of Biostatistics, Faculty of Medicine, İ̇zmir Katip Çelebi University, İ̇zmir, Turkey