Tero Rautio, Oulu, Finland
Hospital Maria Middelares, Ghent, Belgium
City of Oulu Maternity Clinic, Oulu, Finland
Northern Ostrobothnia Hospital District, Oulu, Finland
Oulu University Hospita, Oulu, Finland
Oulu University Hospital, Oulu, Finland
Univeristy of Oulu, Oulu, Finland
Healthcare organizations in Nordic Finland, Oulu, Finland
University of Oulu, Center for Environmental and Respiratory Health Research, Oulu, Finland
Research Unit of Oral Health Sciences, University of Oulu, Oulu, Finland