Affiliation: | 1. PEDEGO Research Unit, University of Oulu, Oulu, Finland;2. Department of Dermatology and Medical Research Center Oulu, Oulu University Hospital, Oulu, Finland;3. Unit of General Practice, Oulu University Hospital, Oulu, Finland;4. Center for Life Course Epidemiology and Systems Medicine, University of Oulu, Oulu, Finland |