1. Department of Health, Medicine and Caring Sciences, Primary Health Care Center Cityhälsan Centrum, Linköping University, Linköping, Sweden
2. Department of Health, Medicine and Caring Sciences, Kärna Primary Health Care Center, Linköping University, Linköping, Sweden
3. Department of Activity and Health, Linköping University, Linköping, Sweden
4. Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden