2008-2011      Scholar of the Hellenic Society of Gastroenterology .

2008-2009      Clinical Research Fellow, Clinical Enteric Neuroscience Translational and Epidemiological Research, Division of Gastroenterology, Mayo Clinic, Rochester MN, USA, Prof. Dr. Michael Camilleri .


2010-2011      Clinical Motility Research Fellow, Translational Research Center for Gastrointestinal Diseases (TARGID), University Hospital Gasthuisberg, Leuven, Belgium, Prof. Dr. Jan Tack.