Philipp Kernen, Esther H. Steveling-Klein, Ramon T. Saccilotto, Heike Raatz, Matthias Briel, Michael T. Koller, Marie Westwood, Heiner C. Bucher, David Miedinger, Jörg D. Leuppi (Author)
Swiss Society of Gastroenterology, Swiss Society of Visceral Surgery, Swiss Association for the Study of the Liver, Swiss Society of Clinical Nutrition, Swiss Society of Endoscopy Nurses and Associates (Author)