About the Authors

Ingrid Kruizinga

Affiliation Department of Public Health, Erasmus University Medical Center, Rotterdam, The Netherlands

Wilma Jansen

Affiliation Department of Youth Policy, Rotterdam Municipal Health Service (GGD Rotterdam-Rijnmond), Rotterdam, The Netherlands

Carolien L. de Haan

Affiliation Department of Youth Policy, Rotterdam Municipal Health Service (GGD Rotterdam-Rijnmond), Rotterdam, The Netherlands

Jan van der Ende

Affiliation Department of Child and Adolescent Psychiatry, Erasmus University Medical Center-Sophia Children's Hospital, Rotterdam, The Netherlands

Alice S. Carter

Affiliation Department of Psychology, University of Massachusetts, Boston, Massachusetts, United States of America

Hein Raat

h.raat@erasmusmc.nl

Affiliation Department of Public Health, Erasmus University Medical Center, Rotterdam, The Netherlands

Competing Interests

The authors have read the journal's policy and have the following conflicts: A.S. Carter receives royalties from Pearson Assessment on the sale of the BITSEA, however not in the context of this study. There are no patents, products in development or marketed products to declare. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials, as detailed online in the guide for authors. The other authors have declared that they have no competing interests.

Author Contributions

Conceived and designed the experiments: IK WJ HR. Performed the experiments: IK. Analyzed the data: IK. Contributed reagents/materials/analysis tools: CH. Wrote the paper: IK. Provided expert input and advice regarding statistical analyses: AC JE.