About the Authors

Herbert J. A. Rolden

herbert.rolden@radboudumc.nl

Current address: Department for Health Evidence, Radboud Institute for Health Sciences, Radboud university medical center, Nijmegen, The Netherlands

Affiliations Leyden Academy on Vitality and Ageing, Leiden, The Netherlands, Department of Gerontology and Geriatrics, Leiden University Medical Center, Leiden, The Netherlands

David van Bodegom

Affiliations Leyden Academy on Vitality and Ageing, Leiden, The Netherlands, Department of Gerontology and Geriatrics, Leiden University Medical Center, Leiden, The Netherlands

Rudi G. J. Westendorp

Affiliations Leyden Academy on Vitality and Ageing, Leiden, The Netherlands, Department of Gerontology and Geriatrics, Leiden University Medical Center, Leiden, The Netherlands

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HR DvB RW. Performed the experiments: HR. Analyzed the data: HR. Wrote the paper: HR DvB RW.