Autores e afiliações:
Pedro Valente 1, Mónica Garrido 1, Irene Gullo 1,2, Helena Baldaia 3, Margarida Marques 3, Francisco Baldaque-Silva 3,4, Joanne Lopes , Fátima Carneiro 1,3,5
1 Faculty of Medicine of the University of Porto, Porto, Portugal
2 Faculty of Medicine and Surgery, Genova, Italy
3 Centro Hospitalar de São João, Porto, Portugal
4 Department of Gastroenterology and Hepatology, Karolinska University Hospital, Stockholm, Sweden