About the Authors

Georges E. Janssens

Affiliation European Research Institute for the Biology of Ageing, University of Groningen University Medical Centre Groningen, Groningen, The Netherlands

Liesbeth M. Veenhoff

l.m.veenhoff@rug.nl

Affiliation European Research Institute for the Biology of Ageing, University of Groningen University Medical Centre Groningen, Groningen, The Netherlands

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: GEJ LMV. Formal analysis: GEJ. Funding acquisition: LMV. Investigation: GEJ. Methodology: GEJ. Software: GEJ. Supervision: LMV. Validation: GEJ LMV. Visualization: GEJ LMV. Writing – original draft: GEJ LMV. Writing – review & editing: GEJ LMV.