[1
]Institute of Clinical Medicine/Neurology, University of Eastern Finland, Kuopio, Finland
[2
]Aging Research Center, Karolinska Institutet, Stockholm University, Stockholm, Sweden
[3
]Division of Clinical Geriatrics, Center for Alzheimer Research, Department of Neurobiology,
Care Sciences, and Society, Karolinska Institutet, Stockholm, Sweden
[4
]Chronic Disease Prevention Unit, National Institute for Health and Welfare, Helsinki,
Finland
[5
]Institute of Health Sciences/Geriatrics, University of Oulu and Oulu University Hospital,
Oulu, Finland
[6
]Medical Research Center Oulu, Oulu University Hospital and Oulu City Hospital, Oulu,
Finland
[7
]Department of Neurology, Kuopio University Hospital, Kuopio, Finland
[8
]Institute of Public Health and Clinical Nutrition, University of Eastern Finland,
Kuopio, Finland
[9
]Hospital District of North Karelia, Joensuu, Finland
[10
]Department of Public Health, Faculty of Medicine, University of Helsinki, Helskinki,
Finland
[11
]Finnish Institute of Occupational Health, Helsinki, Finland
[12
]Welfare and Health Promotion Unit, National Institute for Health and Welfare, Helsinki,
Finland
[13
]Department of Social and Psychological Studies, Karlstad University, Karlstad, Sweden
[14
]Department of Psychology, Umeå University, Umeå, Sweden
[15
]Department of Medicine, Geriatric Clinic, University of Helsinki and Helsinki University
Central Hospital, Helsinki, Finland
[16
]Department of Public Health, University of Helsinki, Helsinki, Finland
[17
]South Ostrobothnia Central Hospital, Seinäjoki, Finland
[18
]Department of Neurosciences and Preventive Medicine, Danube-University Krems, Krems,
Austria
[19
]Diabetes Research Group, King Abdulaziz University, Jeddah, Saudi Arabia
[20
]Neuroepidemiology and Ageing Research Unit, School of Public Health, Imperial College
London, London, United Kingdom