About the Authors

Robert M. Kirkpatrick

rkirkpatrick2@vcu.edu

Affiliation University of Minnesota, Department of Psychology, Minneapolis, Minnesota, United States of America

Matt McGue

Affiliation University of Minnesota, Department of Psychology, Minneapolis, Minnesota, United States of America

William G. Iacono

Affiliation University of Minnesota, Department of Psychology, Minneapolis, Minnesota, United States of America

Michael B. Miller

Affiliation University of Minnesota, Department of Psychology, Minneapolis, Minnesota, United States of America

Saonli Basu

Affiliation University of Minnesota, School of Public Health, Division of Biostatistics, Minneapolis, Minnesota, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: RMK. Contributed reagents/materials/analysis tools: SB MBM. Wrote the paper: RMK. Oversaw data collection: MM WGI. Planned the data analysis: RMK MBM MM.