1. Second Medical Clinic, School of Medicine Aristotle University of Thessaloniki, Ippokration Hospital Thessaloniki Macedonia Greece
2. First Laboratory of Pharmacology, School of Medicine Aristotle University of Thessaloniki Thessaloniki Macedonia Greece
3. Midwifery Department, School of Healthcare Sciences University of West Macedonia Kozani Macedonia Greece
4. Laboratory of Experimental Neurology and Neuroimmunology and the Multiple Sclerosis Center, 2nd Department of Neurology AHEPA University Hospital, Aristotle University of Thessaloniki Thessaloniki Macedonia Greece
5. Hepatogastroenterology Unit, Second Department of Internal Medicine‐Propaedeutic, Medical School National and Kapodistrian University of Athens Athens Greece
6. Department of Nutritional Sciences and Dietetics, School of Health Sciences International Hellenic University Thessaloniki Macedonia Greece
7. Gastroenterology Department Theageneio Hospital Thessaloniki Macedonia Greece
8. Private Gastroenterological Practice Horgen Switzerland
9. Department of Gastroenterology Digestive Diseases and Surgery Institute London UK