Affiliation: | 1. Hepatogastroenterology Unit, Second Department of Internal Medicine, Research institute and Diabetes Center, Attikon University General Hospital, Medical School, National and Kapodistrian University, Athens, Greece;2. Laboratory of Biology, Medical School, National and Kapodistrian University, Athens, Greece;3. Academic Department of Gastroenterology, Laiko General Hospital, Medical School, National and Kapodistrian University, Athens, Greece |