,
Stephan, Astrid
Bieber, Anja
Hopper, Louise
Joyce, Rachael
Irving, Kate
Zanetti, Orazio
Portolani, Elisa
Kerpershoek, Liselot
Verhey, Frans
de Vugt, Marjolein
Wolfs, Claire
Eriksen, Siren
Røsvik, Janne
Marques, Maria J.
Gonçalves-Pereira, Manuel
Sjölund, Britt-Marie
Jelley, Hannah
Woods, Bob
Meyer, Gabriele
Funding for this research was provided by:
Bundesministerium für Bildung und Forschung
Health Research Board
Ministero della Salute
Organization for Health Research and Development
The Swedish Research Council for Health, Working Life and Welfare
The Research Council of Norway
National Foundation for Science and Technology
Economic and Social Research Council
Article History
Received: 19 March 2017
Accepted: 14 May 2018
First Online: 4 June 2018
Competing interests
: GM is a member of the BMC Geriatrics editorial board, but was not involved in the review process.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.