1. “Attiko” Animal Hospital; Paeania Athens Greece
2. Department of Veterinary Public Health; National School of Public Health; Athens Greece
3. Laboratory of Parasitology and Parasitic Diseases; School of Veterinary Medicine; Aristotle University of Thessaloniki; Thessaloniki Greece
4. Department of Epidemiology and Biostatistics; National School of Public Health; Athens Greece
5. Quality Veterinary Practice; Volos Greece