Institution: | 1. Department of Paediatrics, Vaasa Central Hospital, , Vaasa, Finland;2. Department of Paediatrics, Tampere University Hospital, , Tampere, Finland;3. Tampere Center for Child Health Research, University of Tampere, , Tampere, Finland;4. Department of Obstetrics and Gynaecology, Tampere University Hospital, , Tampere, Finland;5. The Science Center, Pirkanmaa Hospital District and The School of Health Sciences, University of Tampere, , Tampere, Finland |