About the Authors

Maiken Ina Siegismund Kjaersgaard

Affiliation Department of Public Health, Section for Biostatistics, Aarhus University, Aarhus, Denmark

Erik Thorlund Parner

Affiliation Department of Public Health, Section for Biostatistics, Aarhus University, Aarhus, Denmark

Mogens Vestergaard

Affiliations Research Unit for General Practice, Aarhus University, Aarhus, Denmark, Department of Public Health, Section for General Practice, Aarhus University, Aarhus, Denmark

Merete Juul Sørensen

Affiliation Regional Center for Child and Adolescent Psychiatry, Aarhus University Hospital, Risskov, Denmark

Jørn Olsen

Affiliation Department of Public Health, Section for Epidemiology, Aarhus University, Aarhus, Denmark

Jakob Christensen

Affiliations Department of Neurology, Aarhus University Hospital, Aarhus, Denmark, Department of Clinical Pharmacology, Aarhus University, Aarhus, Denmark

Bodil Hammer Bech

Affiliation Department of Public Health, Section for Epidemiology, Aarhus University, Aarhus, Denmark

Lars Henning Pedersen

LHP@dadlnet.dk

Affiliations Department of Public Health, Section for Epidemiology, Aarhus University, Aarhus, Denmark, Department of Obstetrics and Gynecology, Institute of Clinical Medicine, Aarhus University, Aarhus, Denmark

Competing Interests

Jakob Christensen has received honoraria from serving on the scientific advisory board of UCB Nordic and Eisai AB, has received honoraria from giving lectures from UCB Nordic and Eisai AB, and has received funding for a trip from UCB Nordic. This does not alter the author's adherence to all the PLOS ONE policies on sharing data and materials. The remaining authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MISK ETP MV MJS JO JC BHB LHP. Analyzed the data: MISK LHP. Contributed reagents/materials/analysis tools: ETP LHP. Wrote the paper: MISK LHP. Revised the manuscript critically for important intellectual content and approved the final version: MISK ETP MV MJS JO JC BHB LHP.