Seewald Stefan, Ang Tiing Leong, Patak Michael, Yu Kim Teng Karl, Inoue Haruhiro
Centre of Gastroenterology, Klinik Hirslanden, Zurich, Switzerland.
Department of Gastroenterology and Hepatology, Changi General Hospital, Singapore.
Endoscopy. 2018 May;50(5):E117-E118. doi: 10.1055/s-0044-101017. Epub 2018 Feb 16.