Division of Gastroenterology, University Hospital Zurich, Zurich, Switzerland
Centre on Aging and Mobility, University of Zurich, Zürich, Switzerland
ORL Klinik, Zürich, Switzerland
Division of Trauma Surgery, University Hospital Zurich, Zürich, Switzerland
University Hospital Zurich, Dept. of Infectious Diseases and Hospital Epidemiology, Zurich, ZH, Switzerland
Universitätsklinik Balgrist, Zürich, Switzerland
University Hospital Zurich, Zurich, Switzerland
Collegium Helveticum, ETH & Universität Zürich, Zürich, Switzerland
Division of Gastroenterology, University Hospital Zurich, Zurich, Switzerland
Bethanien-Klinik, Zürich, Switzerland