1. Viro-immunology Research Unit, Department of Infectious Diseases, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
2. Department of Surgical Gastroenterology, Centre for Cancer and Organ Diseases, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
3. Department of Clinical Medicine, University of Copenhagen, Denmark
4. Department of Pulmonary Medicine and Infectious Diseases, Copenhagen University Hospital, Copenhagen, Denmark