1,013
Participants
Start Date
August 22, 2017
Primary Completion Date
August 31, 2018
Study Completion Date
June 26, 2023
Study questionnaires
filled by parents, school nurse and teacher
School and Student Health Services, Helsinki
School and Student Health Services, Kerava
School and Student Health Services, Kirkkonummi
School and Student Health Services, Tampere
Päivikki and Sakari Sohlberg Foundation, Finland
OTHER
City of Helsinki
OTHER
Finnish Foundation for General Practice
UNKNOWN
General Practitioners in Finland
UNKNOWN
Network of Academic Health Centres, Finland
UNKNOWN
Foundation for Paediatric Research, Finland
OTHER
Pediatric Research Center, University of Helsinki
UNKNOWN
University of Helsinki
OTHER