1 Second Medical Clinic, Ippokration Hospital, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Macedonia, Greece.
2 School of Healthcare Sciences, Midwifery Department, University of Western Macedonia, Koila, Greece.
3 Department of Nutritional Sciences and Dietetics, School of Health Sciences, International Hellenic University, Thessaloniki, Macedonia, Greece.
4 Hepatogastroenterology Unit, Second Department of Internal Medicine-Propaedeutic, Medical School, National and Kapodistrian University of Athens, Athens, Greece.