About the Authors

Joanna Collerton

joanna.collerton@ncl.ac.uk

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

Andrew Kingston

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

John Bond

Affiliations Institute for Ageing and Health, Newcastle University, Newcastle upon Tyne, United Kingdom, Institute of Health and Society, Newcastle University, Newcastle upon Tyne, United Kingdom

Karen Davies

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

Martin P. Eccles

Affiliations Institute for Ageing and Health, Newcastle University, Newcastle upon Tyne, United Kingdom, Institute of Health and Society, Newcastle University, Newcastle upon Tyne, United Kingdom

Carol Jagger

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

Thomas B. L. Kirkwood

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

Julia L. Newton

Affiliations Institute for Ageing and Health, Newcastle University, Newcastle upon Tyne, United Kingdom, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JC JB KD MPE TBLK. Analyzed the data: AK JC JB MPE CJ JLN. Wrote the paper: JC JLN JB AK TBLK MPE KD CJ. Participant recruitment: KD. Data collection: KD. Data preparation: JC KD.