Affiliation: | 1. School of Medicine, Faculty of Health Science, Aristotle University of Thessaloniki, Thessaloniki, Greece;2. First Paediatric Department, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Ippokratio General Hospital, Thessaloniki, Greece;3. Clinical Research and Evidence-Based Medicine Unit, Second Medical Department, Aristotle University of Thessaloniki, Thessaloniki, Greece |