1. Clinic of Obstetrics and Reproduction; Veterinary Faculty; University of Thessaly; Karditsa Greece
2. Veterinary Research Institute; HAO - ‘DEMETER’ (former NAGREF); Thermi- Thessaloniki Greece
3. Department of Physiology; Veterinary Faculty; University of Thessaly; Karditsa Greece
4. Department of Pharmacology; Veterinary Faculty; University of Thessaly; Karditsa Greece