About the Authors

Andrew Kingston

andrew.kingston@ncl.ac.uk

Affiliation Institute for Ageing and Health, Newcastle University, Newcastle upon Tyne, United Kingdom

Karen Davies

Affiliation Institute for Ageing and Health, Newcastle University, Newcastle upon Tyne, United Kingdom

Joanna Collerton

Affiliation Institute for Ageing and Health, Newcastle University, Newcastle upon Tyne, United Kingdom

Louise Robinson

Affiliation Institute for Health and Society, Newcastle University, Newcastle upon Tyne, United Kingdom

Rachel Duncan

Affiliation Institute for Health and Society, Newcastle University, Newcastle upon Tyne, United Kingdom

John Bond

Affiliation Institute for Health and Society, Newcastle University, Newcastle upon Tyne, United Kingdom

Thomas B. L. Kirkwood

Affiliation Institute for Ageing and Health, Newcastle University, Newcastle upon Tyne, United Kingdom

Carol Jagger

Affiliation Institute for Ageing and Health, Newcastle University, Newcastle upon Tyne, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: AK CJ. Wrote the paper: AK KD JC LR RD JB TBLK CJ.