1. Young Adults Centre, Region Östergötland, 58185 Linköping, Sweden
2. Department of Medical and Health Sciences, Linköping University, 58183 Linköping, Sweden
3. Unit for Health Analysis, Centre for Healthcare Development, Region Östergötland, 58185 Linköping, Sweden
4. Department of Computer and Information Science, Linköping University, 58183 Linköping, Sweden