About the Authors

Anne H. van Houwelingen

Affiliation Department of Public Health and Primary Care, Leiden University Medical Center, Leiden, the Netherlands

Wendy P.J. den Elzen

w.p.j.den_elzen@lumc.nl

Affiliation Department of Public Health and Primary Care, Leiden University Medical Center, Leiden, the Netherlands

Simon P. Mooijaart

Affiliations Department of Gerontology and Geriatrics, Leiden University Medical Center, Leiden, the Netherlands, Institute for Evidence-Based Medicine in Old Age (IEMO), Leiden, the Netherlands

Margot Heijmans

Affiliation Department of Public Health and Primary Care, Leiden University Medical Center, Leiden, the Netherlands

Jeanet W. Blom

Affiliation Department of Public Health and Primary Care, Leiden University Medical Center, Leiden, the Netherlands

Anton J. M. de Craen

Affiliation Department of Gerontology and Geriatrics, Leiden University Medical Center, Leiden, the Netherlands

Jacobijn Gussekloo

Affiliation Department of Public Health and Primary Care, Leiden University Medical Center, Leiden, the Netherlands

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Acquisition of data: WE AC JG. Statistical analysis: AH WE AC JG. Critical revision of the manuscript for important intellectual content: AH WE SM MH JB AC JG. Study supervision: AC JG. Conceived and designed the experiments: AH WE SM MH JB AC JG. Performed the experiments: AH WE AC JG. Analyzed the data: AH WE SM MH JB AC JG. Contributed reagents/materials/analysis tools: WE AC JG. Wrote the paper: AH WE JG.