1 Center of Gastroenterology and Hepatology, Fundeni Clinical Institute, Bucharest, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania. . drcgheorghe@gmail.com.
2 Center of Gastroenterology and Hepatology, Fundeni Clinical Institute, Bucharest, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania. . stfnbndc@gmail.com.