1. Faculty of Health Sciences Department of Biomedical and Clinical Sciences Linköping University Linköping Sweden
2. Department of Emergency Medicine Local Health Care Services in Central Östergötland Region Östergötland Linköping Sweden
3. Absorbest AB Kisa Sweden
4. Division of Community Medicine Department of Health, Medicine and Caring Sciences Linköping University Linköping Sweden
5. Department of Primary Health Care Region Östergötland Linköping Sweden