About the Authors

Deirdre A. Robertson

droberts@tcd.ie

Affiliation TILDA (The Irish Longitudinal Study on Ageing), Department of Medical Gerontology, Trinity College, Dublin, Ireland

George M. Savva

Affiliation School of Health Sciences, University of East Anglia, Norwich Research Park, Norwich, Norfolk, United Kingdom

Bellinda L. King-Kallimanis

Affiliation TILDA (The Irish Longitudinal Study on Ageing), Department of Medical Gerontology, Trinity College, Dublin, Ireland

Rose Anne Kenny

Affiliations TILDA (The Irish Longitudinal Study on Ageing), Department of Medical Gerontology, Trinity College, Dublin, Ireland, Trinity College Institute of Neuroscience, Trinity College, Dublin, Ireland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DR GS BKK RAK. Analyzed the data: DR. Contributed reagents/materials/analysis tools: DR GS BKK RAK. Wrote the paper: DR GS BKK RAK.