Affiliation: | 1. Arkalochori Health Centre-Venizeleio General Hospital of Heraklion, Crete, Greece;2. Clinic of Social and Family Medicine, School of Medicine, University of Crete, Voutes, 71110 Heraklion, Crete, Greece;3. Department of Gastroenterology and Liver Research Laboratory, University Hospital and Medical School of Crete, Voutes, 71110 Heraklion, Crete, Greece |