1. School of Social and Health Sciences, Halmstad University, Halmstad, Sweden
2. Department of Medicine and Care, Linköping University, Sweden
3. Primary Health Care Research and Development Unit, County Council Halland, Falkenberg, Sweden
4. Dept. of Primary Health Care, Göteborg University, Göteborg, Sweden
5. Department of Surgery, Central Hospital, Halmstad, Sweden
6. School of Health Sciences and Social Work, Växjö University, Växjö, Sweden