1. Department of Hand Surgery, Helsinki University Hospital and University of Helsinki, Helsinki, Finland
2. Center for Life Course Health Research, University of Oulu, Oulu, Finland
3. Medical Research Center Oulu, Oulu University Hospital and University of Oulu, Oulu, Finland
4. Finnish Institute of Occupational Health, Oulu, Finland *Hulkkonen Sina and Lampainen Kaisa have contributed equally to this work