1. Karolinska Institutet, Department of Clinical Science and Education, Södersjukhuset, Stockholm, Sweden
2. Department of Hand Surgery, Södersjukhuset, Stockholm, Sweden
3. Department of Surgical Science, Hand surgery, Uppsala University, and Uppsala University Hospital, Sweden
4. Department of Hand Surgery, Plastic Surgery and Burns, and Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
5. Department of Health, Medicine and Caring Sciences, Division of Prevention, Rehabilitation and Community Medicine, Linköping University, Linköping, Sweden