Affiliations

Sofia Ventura
Department of Gastroenterology, Centro Hospitalar Tondela-Viseu, E.P.E., Viseu, Portugal

Eugénia Cancela
Department of Gastroenterology, Centro Hospitalar Tondela-Viseu, E.P.E., Viseu, Portugal

Américo Silva
Department of Gastroenterology, Centro Hospitalar Tondela-Viseu, E.P.E., Viseu, Portugal