1 Institute of Liver Studies, King's College Hospital, London SE5 9RS, United Kingdom; Hepatology Unit and Gastroenterology, ASST Ospedale Metropolitano Niguarda, P.za dell'ospedale Maggiore 3, 20100 Milan, Italy. Electronic address: chiara.mazzarelli@ospedaleniguarda.it.
2 Institute of Liver Studies, King's College Hospital, London SE5 9RS, United Kingdom.
3 Hepatology Unit and Gastroenterology, ASST Ospedale Metropolitano Niguarda, P.za dell'ospedale Maggiore 3, 20100 Milan, Italy.