1. Växjöhälsan Primary Healthcare Center, Växjö, Sweden
2. Department of Research and Development, Region Kronoberg, Växjö, Sweden
3. Department of Clinical Sciences in Malmö, Family Medicine, Lund University, Malmö, Sweden
4. Lundbergsgatan Primary Health Care Centre, Malmö, Sweden
5. Department of Medical Biosciences, Clinical Chemistry, Umeå University, Umeå, Sweden
6. Futurum, Region Jönköping County, Sweden
7. Department of Medical and Health Sciences, Linköping University, Linköping, Sweden