Development and validation of an electronic frailty index using routine primary care electronic health record data

Age and Ageing (2016) 45 (3): 353–360, doi: 10.1093/ageing/afw039

The author would like to apologise for errors in the originally published paper.

The following acknowledgement has been added:

Hospital Episodes Statistics. Copyright (c) 2016, Re-used with the permission of The Health and Social Care Information Centre. All rights reserved.