About the Authors

Liselotte Petersen

LLP@ncrr.dk.

Affiliations Institute of Preventive Medicine, Copenhagen University Hospital, Copenhagen, Denmark, National Centre for Register-based Research, University of Aarhus, Aarhus, Denmark

Thorkild I. A. Sørensen

Affiliation Institute of Preventive Medicine, Copenhagen University Hospital, Copenhagen, Denmark

Erik Lykke Mortensen

Affiliation Institute of Public Health and Center for Healthy Aging, University of Copenhagen, Copenhagen, Denmark

Per Kragh Andersen

Affiliation Department of Biostatistics, University of Copenhagen, Copenhagen, Denmark

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TIAS PKA. Analyzed the data: LP. Wrote the paper: LP. Contributed to the interpretation of results and finalized manuscript: TIAS ELM PKA LP.