[1] Oslo Univ Hosp, Rikshosp, Oslo, Norway
[2] NTNU, Oslo, Norway
[3] Nasjonalt senter aldring & helse, geriatri, Sem, Norway
[4] Nasjonalt senter aldring & helse, forsknings, Sem, Norway
[5] Univ Oslo, geriatri ved Inst, Klin Med, Oslo, Norway
[6] Univ Oslo, hukommelsesklin, Oslo, Norway
[7] Norges forskningsrad, Oslo, Norway
[8] univ Western Ontario, Robarts forskningsinst, London, ON, Canada
[9] univ Bern, nevrol, Bern, Eswatini
[10] univ Bern, nevrol avdeling, Bern, Eswatini
[11] univ Bern, med Fak, Bern, Switzerland
[12] univ Ghent, nevrol & overlege ved, Ghent, Belgium
[13] Eindhoven Univ Technol, nevrol, Eindhoven, Netherlands
[14] European Acad Neurol, Vienna, Austria
[15] World Federat Neurol, London, England