Authors: Martin Kummen; Mette Vesterhus; Marius Trøseid; Bjørn Moum; Asbjørn Svardal; Kirsten Muri Boberg; Pål Aukrust; Tom Hemming Karlsen; Rolf Kristian Berge; Johannes Roksund Hov Journal: United European Gastroenterol J Date: 2016-08-02 Impact factor: 4.623