1. Department of Pediatrics Turku University Hospital, University of Turku Turku Finland
2. Heart Center Turku University Hospital, University of Turku Turku Finland
3. Research Center of Applied and Preventive Cardiovascular Medicine University of Turku Turku Finland
4. Center for Population Health Research Turku University Hospital, University of Turku Turku Finland
5. Administrative Center Hospital District of Southwest Finland Turku Finland
6. Department of Public Health University of Helsinki Helsinki Finland
7. Immunogenetics Laboratory University of Turku Turku Finland
8. Clinical Microbiology Turku University Hospital Turku Finland