[1] Aristotle Univ Thessaloniki, Ippokrat Hosp, Dept Med, Med Clin 2, 8 Fanariou St, Thessaloniki 55133, Greece
[2] Univ West Macedonia, Sch Healthcare Sci, Midwifery Dept, Macedonia, Greece
[3] Aristotle Univ Thessaloniki, Pharmacol Lab 1, Sch Med, Thessaloniki, Greece
[4] Med Univ Dept, Kantonsspital Aarau, Div Gastroenterol & Hepatol, Aarau, Switzerland
[5] Univ Hosp Larisa, Dept Gastroenterol, Thessaly, Greece
[6] Int Hellen Univ, Sch Hlth Sci, Dept Nutr Sci & Dietet, Thessaloniki, Greece