1. School of Health, Care and Social Welfare, Mälardalen University, Sweden
2. School of Information and Engineering/Statistics, Dalarna University, Falun, Sweden
3. School of Health and Welfare, Dalarna University, Falun, Sweden
4. Division of Nursing, Department of Neurobiology, Care Science and Society, Karolinska Institute, Stockholm, Sweden
5. R&D unit, Stockholms Sjukhem, Stockholm, Sweden
6. Theme Inflammation and Aging, Karolinska University Hospital, Huddinge, Sweden