1 Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden. sara.hagg@ki.se.
2 Theme Aging and Inflammation, Karolinska University Hospital, Huddinge, Sweden. dorota.religa@ki.se.
3 Division of Clinical Geriatrics, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Stockholm, Sweden. dorota.religa@ki.se.