1. Department of Pediatrics and Adolescence; Oulu University Hospital; Oulu Finland
2. PEDEGO Research Unit - Research Unit for Pediatrics; Dermatology; Clinical Genetics; Obstetrics and Gynecology; and Medical Research Center; University of Oulu; Oulu Finland
3. Fimlab Laboratories; Tampere Finland
4. Terveystalo Pediatric Clinic; Kuopio Finland
5. Department of Pediatrics; University of Tampere; Tampere Finland
6. Department of Internal Medicine; Tampere University Hospital and the Finnish Medical Society Duodecim; Tampere Finland
7. Seinäjoki Central Hospital; Seinäjoki Finland
8. Department of Pediatrics; Turku University Hospital and University of Turku; Turku Finland
9. Department of Pediatrics; Helsinki University Hospital; Helsinki Finland
10. HUS Imaging; Children′s Hospital; Helsinki University Hospital; Helsinki Finland
11. Espoonlahti Health Care Center; Espoo Finland
12. Department of Pediatrics; Tampere University Hospital and University of Tampere; Tampere Finland