About the Authors

Jacqueline M. Vink

jm.vink@vu.nl

Affiliation Netherlands Twin Register, Department of Biological Psychology, VU University Amsterdam, Amsterdam, The Netherlands

Meike Bartels
Toos C. E. M. van Beijsterveldt
Jenny van Dongen
Jenny H. D. A. van Beek
Marijn A. Distel
Marleen H. M. de Moor
Dirk J. A. Smit
Camelia C. Minica
Lannie Ligthart
Lot M. Geels
Abdel Abdellaoui
Christel M. Middeldorp
Jouke Jan Hottenga
Gonneke Willemsen
Eco J. C. de Geus
Dorret I. Boomsma

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DB JV MD. Analyzed the data: JV MB TvB JvD JvB MD MdM DS CCM LL LG AA CMM JH GW EdG DB. Contributed reagents/materials/analysis tools: JV MB MD. Wrote the paper: JV DB EdG.