About the Authors

A. Cecile J. W. Janssens

a.janssens@erasmusmc.nl

Affiliations Department of Epidemiology, Erasmus University Medical Center Rotterdam, The Netherlands, Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, Georgia, United States of America

Peter Kraft

Affiliation Program in Molecular and Genetic Epidemiology, Harvard School of Public Health, Boston, Massachusetts, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Wrote the first draft of the manuscript: ACJWJ PK. Contributed to the writing of the manuscript: ACJWJ PK. ICMJE criteria for authorship read and met: ACJWJ PK. Agree with manuscript results and conclusions: ACJWJ PK.