
Associate Professor of Medicine University of Athens, Medical School

Researcher and Associate Professor of Gastroenterology Universidad Veracruzana

Professor of Medicine, Department of Experimental Medicine, Faculty of Medicine-Universidad Nacional Autónoma de México (UNAM), Hospital General de México

Professor of Medicine and chairman of the Department of Gastroenterology, Hepatology and Infectious Diseases, Otto-v.-Guericke-University, Otto von Guericke University Magdeburg

Gastroenterologist, Professor of Internal Medicine, Director of the GI Physiology Laboratory, and Co-Director of the Michigan Bowel Control Program, University of Michigan Health System