1. Department of Nursing Umeå University Umeå Sweden
2. Department of Public Health and Clinical Medicine, Epidemiology and Global Health Umeå University Umeå Sweden
3. Department of Statistics Umeå School of Business and Economics Umeå University Umeå Sweden
4. Department of Community Medicine and Rehabilitation Geriatric Medicine Umeå University Umeå Sweden
5. Lovisenberg Diaconal University College Oslo Norway
6. Department of Neurobiology, Care Sciences and Society Division of Neurogeriatrics Karolinska Institutet Stockholm Sweden
7. School of Nursing and Midwifery La Trobe University Melbourne Vic. Australia