Division of Gastroenteric and Tissue Parasitic Diseases, Department of Infectious, Parasitic and Immunomediated Diseases, Istituto Superiore di Sanita, Roma, Italy
Gastroenaterology, Hepatology and Immunology Clinic, Children's Memorial Health Institute (CMHI), Warszawa, Av Dzieci Polskich 20, 04-730, Warsaw, Poland