Doctoral School of Clinical Medicine, University of Szeged, Szeged, Hungary. Institute for Translational Medicine, University of Pécs Medical School, Pécs, Hungary. János Szentágothai Research Centre, University of Pécs, Pécs, Hungary. Division of Haematology, First Department of Medicine, University of Pécs Medical School, Pécs, Hungary. Division of Geriatric Medicine, First Department of Medicine, University of Pécs Medical School, Pécs, Hungary. Division of Gastroenterology, First Department of Medicine, University of Pécs Medical School, Pécs, Hungary. Doctoral School of Clinical Medicine, University of Szeged, Szeged, Hungary alizadeh.hussain@pte.hu.