作者单位:'St. Parascheva' Clinical Hospital of Infectious Diseases, 700111 Iasi, Romania[1]'Gr. T. Popa' University of Medicine and Pharmacy, 700111 Iasi, Romania, Institute of[2]'Gr. T. Popa' University of Medicine and Pharmacy, 700111 Iasi, Romania[3]Institute of Gastroenterology and Hepatology, 'St. Spiridon' Emergency Hospital, 700111 Iasi[4]