About the Authors

Lucía Colodro-Conde

Affiliations Murcia Twin Registry, Department of Human Anatomy and Psychobiology, University of Murcia, & IMIB-Arrixaca, Murcia, Spain, Quantitative Genetics, QIMR Berghofer Medical Research Institute, Brisbane, Queensland, Australia

Frühling Rijsdijk

Affiliation MRC Social Genetic & Developmental Psychiatry Centre, Institute of Psychiatry, King’s College London, London, United Kingdom

María J. Tornero-Gómez

Affiliation Murcia Twin Registry, Department of Human Anatomy and Psychobiology, University of Murcia, & IMIB-Arrixaca, Murcia, Spain

Juan F. Sánchez-Romera

Affiliation Department of Developmental and Educational Psychology, University of Murcia, Murcia, Spain

Juan R. Ordoñana

ordonana@um.es

Affiliation Murcia Twin Registry, Department of Human Anatomy and Psychobiology, University of Murcia, & IMIB-Arrixaca, Murcia, Spain

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LCC JRO JFSR. Performed the experiments: JFSR MJTG. Analyzed the data: LCC FR JRO. Wrote the paper: LCC FR MJTG JRO.