1. Department of Public Health and Caring Sciences; Section of Family Medicine and Preventive Medicine; Uppsala University; Uppsala
2. Department of Clinical and Experimental Medicine; Section of Ophthalmology; Linköping University; Linköping
3. Department of Translational Medicine; Hand Surgery Lund University; Malmö
4. Department of Hand Surgery; Skåne University Hospital; Malmö
5. Department of Public Health and Clinical Medicine; Section of Family Medicine; Umeå University; Umeå Sweden