[1] Kavli Research Centre for Geriatrics and Dementia,Laboratory of Clinical Biochemistry
[2] Haraldsplass Deaconess Hospital,Facoltà di Medicina e chirurgia
[3] Department of Nursing Home Medicine,Centre for Clinical Research
[4] Haukeland University Hospital,Departement of Clinical Science
[5] Universita Cattoloca del Sacro Cuore,undefined
[6] Municipality of Bergen,undefined
[7] Haukeland -University Hospital,undefined
[8] University of Bergen,undefined