1. Department of Virology, University of Tampere, Tampere, Finland
2. Department of Virology, University of Turku, Turku, Finland
3. Laboratory of Virology EA3610, University Lille 2 and CHR, Lille, France
4. Department of Pediatrics, Faculty of Nursing, National University of Athens, Athens, Greece
5. King's College London, London, U.K.
6. Immunogenetics Laboratory, University of Turku, Turku, Finland
7. Department of Clinical Microbiology, University of Eastern Finland, Kuopio, Finland
8. Folkhälsan Research Center, Helsinki, Finland
9. Children’s Hospital, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland
10. Department of Pediatrics, Tampere University Hospital and University of Tampere, Tampere, Finland
11. Diabetes and Obesity Research Program, University of Helsinki, Helsinki, Finland
12. School of Health Sciences, University of Tampere, Tampere, Finland
13. Department of Biological Sciences, University of Essex, Colchester, U.K.
14. Division of Pediatrics, Department of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden
15. Queen Mary and Westfield College, London, U.K.
16. Fimlab Laboratories, Pirkanmaa Hospital District, Tampere, Finland