[1] University of Oulu,PEDEGO Research Unit
[2] Oulu University Hospital,Department of Internal Medicine
[3] Oulu University Hospital and University of Oulu,Medical Research Center Oulu
[4] Oulu University Hospital,Department of Child Psychiatry
[5] University of Helsinki,Department of General Practice and Primary Health Care
[6] Terveystalo Healthcare,Department of Pediatrics
[7] Oulu University Hospital,undefined