1 Department of Pathology, Bucharest Emergency University Hospital, Bucharest, Romania. diana.enea21@yahoo.com.
2 Department of Gastroenterology, Cantacuzino Clinical Hospital, Bucharest; Carol Davila University of Medicine and Pharmacy, Bucharest, Romania. bogbusuioc@gmail.com.
3 Department of Gastroenterology, Cantacuzino Clinical Hospital, Bucharest; Carol Davila University of Medicine and Pharmacy, Bucharest, Romania. cristinagarbulet@yahoo.com.
4 Department of Gastroenterology, Cantacuzino Clinical Hospital, Bucharest, Romania. camy.petrescu@yahoo.com.
5 Carol Davila University of Medicine and Pharmacy, Bucharest; Department of Pathology, Fundeni Clinical Institute, Bucharest, Romania. gbecheanu@yahoo.com.