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
5. Private Gastroenterological Practice Gastroklinik Horgen Switzerland