1 Division of Gastroenterology and Hepatology, Medical University Department, Kantonsspital Aarau, 5001, Aarau, Switzerland. michael.doulberis@ksa.ch.
2 Second Medical Clinic, School of Medicine, Aristotle University of Thessaloniki, Ippokration Hospital, 551 33, Thessaloniki, Macedonia, Greece. michael.doulberis@ksa.ch.
3 First Laboratory of Pharmacology, School of Medicine, Aristotle University of Thessaloniki, 54124, Thessaloniki, Macedonia, Greece. michael.doulberis@ksa.ch.
4 Second Medical Clinic, School of Medicine, Aristotle University of Thessaloniki, Ippokration Hospital, 551 33, Thessaloniki, Macedonia, Greece.
5 First Laboratory of Pharmacology, School of Medicine, Aristotle University of Thessaloniki, 54124, Thessaloniki, Macedonia, Greece.
6 Department of Gastroenterology, University Hospital of Larisa, Mezourlo, 41110, Larissa, Greece.
7 Department of Midwifery, University of Western Macedonia, 50200, Ptolemaida, Macedonia, Greece.
8 Second Medical Clinic, School of Medicine, Aristotle University of Thessaloniki, Ippokration Hospital, 551 33, Thessaloniki, Macedonia, Greece. jannis@auth.gr.