[1] Univ Bergen, Fac Med, Ctr Elderly & Nursing Home Med, Dept Global Publ Hlth & Primary Care, Bergen, Norway
[2] NKS Olaviken Gerontopsychiat Hosp, Erdal, Norway
[3] NORCE Norwegian Res Ctr, Bergen, Norway
[4] Haraldsplass Deaconess Hosp, Bergen, Norway
[5] VID Specialized Univ, Fac Hlth Studies, Dept Nursing, Bergen, Norway
[6] Univ Bergen, Fac Med, Dept Global Publ Hlth & Primary Care, Sect Epidemiol & Med Stat, Bergen, Norway
[7] Western Norway Univ Appl Sci, Bergen, Norway
[8] Dign Ctr, Bergen, Norway
[9] Kings Coll London, Inst Psychiat Psychol & Neurosci, London, England
[10] Leiden Univ, Med Ctr, Ctr Med Older People, Dept Publ Hlth & Primary Care, Leiden, Netherlands
[11] Yale Univ, Sch Med, Dept Internal Med, New Haven, CT USA
[12] Yale Sch Publ Hlth, Dept Biostat, New Haven, CT USA
[13] Univ Exeter, Med Sch, Exeter, Devon, England
[14] Yale Sch Publ Hlth, Ctr Methods Implementat & Prevent Sci, New Haven, CT USA
[15] Vestfold Hosp Trust, Norwegian Natl Advisory Unit Ageing & Hlth, Tonsberg, Norway
[16] Univ Oslo, Inst Clin Med, Fac Med, Oslo, Norway
[17] Univ Oslo, Dept Psychol, N-0316 Oslo, Norway
[18] McLean Hosp, Belmont, MA USA
[19] Harvard Med Sch, Boston, MA USA
[20] Univ Bergen, Neurosysmed Ctr, Dept Global Publ Hlth & Primary Care, Bergen, Norway