About the Authors

Ingo Langner

Affiliation Department of Clinical Epidemiology, Leibniz-Institute for Prevention Research and Epidemiology, BIPS GmbH, Bremen, Germany

Edeltraut Garbe

Garbe@bips.uni-bremen.de

Affiliations Department of Clinical Epidemiology, Leibniz-Institute for Prevention Research and Epidemiology, BIPS GmbH, Bremen, Germany, University of Bremen, Bremen, Germany

Tobias Banaschewski

Affiliation Department of Child and Adolescent Psychiatry and Psychotherapy, Central Institute of Mental Health, University of Heidelberg, Mannheim, Germany

Rafael T. Mikolajczyk

Affiliations Department of Clinical Epidemiology, Leibniz-Institute for Prevention Research and Epidemiology, BIPS GmbH, Bremen, Germany, Helmholtz Centre for Infection Research, Braunschweig, Germany, Hannover Medical School, Hannover, Germany

Competing Interests

Tobias Banaschewski served in an advisory or consultancy role for Bristol Myers-Sqibb, Desitin, Lilly, Medice, Novartis, Pfizer, Shire, UCB and Viforpharma. He received conference attendance support and conference support or received speaker’s fees by Lilly, Janssen McNeil, Medice, Novartis, Shire, UCB. He is/has been involved in clinical trials conducted by Lilly, Shire and Novartis. The present work is unrelated to the stated grants and relationships. Edeltraut Garbe served in an advisory or consultancy role for Novartis, Bayer-Schering and Nycomed. She received research funds for epidemiological studies from Bayer-Schering, Glaxo, Mundipharma, Sanofi-Pasteur and Sanofi-Aventis. The present work is unrelated to the stated relationships. The other authors declare that they have no conflict of interest. All authors accepted the final revised version of the manuscript. The analysis is based on routinely collected and pseudonymised data; therefore no ethical commission approval was required. Permission for use of the health insurance data was granted by the responsible data protection authorities. This does not alter the authors’ adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Contributed to interpretation of the data and writing: EG TB RTM. Reviewed and accepted the final version: IL EG TB RTM. Conceived and designed the experiments: IL RTM. Analyzed the data: IL. Wrote the paper: IL.