1. Internal Medicine and Rehabilitation, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
2. Department of Health Security, Infectious Disease Control and Vaccinations Unit, Finnish Institute for Health and Welfare, Helsinki, Finland
3. Department of Public Health Solutions, Public Health Projection and Evaluation Unit, Finnish Institute for Health and Welfare, Helsinki, Finland
4. HUS Medical Imaging Center, Radiology, Helsinki University Hospital and University of Helsinki, Helsinki, Finland
5. Heart and Lung Center, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
6. Department of Health Security, Expert Microbiology Unit, Finnish Institute for Health and Welfare, Helsinki, Finland
7. HUS Diagnostic Center, HUSLAB, Clinical Microbiology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
8. Inflammation Center, University of Helsinki and Helsinki University Hospital, Helsinki, Finland