1 Carol Davila University of Medicine and Pharmacy, Gastroenterology Department, Fundeni Clinical Institute, Bucharest, Romania. saizuadrian@gmail.com.
2 Carol Davila University of Medicine and Pharmacy, Gastroenterology Department, Fundeni Clinical Institute, Bucharest, Romania. ibancila@yahoo.com.
3 Carol Davila University of Medicine and Pharmacy, Gastroenterology Department, Fundeni Clinical Institute, Bucharest, Romania. gbecheanu@yahoo.com.
4 Carol Davila University of Medicine and Pharmacy, Gastroenterology Department, Fundeni Clinical Institute, Bucharest, Romania. dmona98@yahoo.com.
5 Carol Davila University of Medicine and Pharmacy, Gastroenterology Department, Fundeni Clinical Institute, Bucharest, Romania. drcgheorghe@gmail.com.