1. Department of Pediatric Surgery Karamandaneion General Hospital Patras Greece
2. Division of Pediatric Endocrinology and Diabetes, Department of Pediatrics, School of Medicine University of Patras Patras Greece
3. Faculty of Health Sciences, Department of Nursing University of Peloponnese Tripoli Greece
4. Department of Pediatric Surgery, School of Medicine University of Patras Patras Greece
5. Department of Pathology, School of Medicine University of Patras Patras Greece
6. Department of Medical Physics, School of Medicine University of Patras Patras Greece