1. Department of Obstetrics & Reproduction, Faculty of Veterinary Science, University of Thessaly, 43100 Karditsa, Greece
2. Laboratory of Reproduction, Department of Animal Sciences, University of Thessaly, 41334 Larissa, Greece
3. Department of Epidemiology, Faculty of Medicine, University of Thessaly, 41334 Larissa, Greece
4. Independent Researcher, 43100 Karditsa, Greece