1 Department of Gastroenterology, Colentina Clinical Hospital, Bucharest, Romania. . alexgotea@yahoo.com.
2 Department of Gastroenterology, Colentina Clinical Hospital, Bucharest; Department of Internal Medicine, Carol Davila University of Medicine, Bucharest, Romania. bogmateescu@gmail.com.
3 Department of Gastroenterology, Colentina Clinical Hospital, Bucharest; Department of Internal Medicine, Carol Davila University of Medicine, Bucharest, Romania. mrimbas@gmail.com.