1. Department of Pediatric Infectious Diseases, Childrens Hospital
2. Laboratory Services (HUSLAB), Department of Virology and Immunology
3. Department of Child Neurology, Childrens Hospital
4. Department of Otorhinolaryngology-Head and Neck Surgery, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
5. Department of Ophthalmology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
6. Department of Pediatric Radiology, HUS Medical Imaging Center, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
7. Department of Neonatology, Childrens Hospital
8. Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama
9. Pediatrics and Microbiology, University of Alabama at Birmingham, Birmingham, Alabama