. 2016 Nov 2;45(6):863–873. doi: 10.1093/ageing/afw124
© The Author 2016. Published by Oxford University Press on behalf of the British Geriatrics Society.
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 1.
Schematic of data collection and analysis.