1. CREDID, Department of Infectious Diseases, Copenhagen University Hospital, Amager and Hvidovre, Hvidovre, Denmark
2. Viro-immunology Research Unit, Department of Infectious Diseases, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
3. Gastrounit, Medical Division, Copenhagen University Hospital, Amager and Hvidovre, Hvidovre, Denmark
4. Institute of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark