About the Authors

Andrea Byrnes

Affiliations Department of Genetics, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America, Department of Biostatistics, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America

Andreas Jacks

Affiliation Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden

Karin Dahlman-Wright

Affiliation Department of Biosciences and Nutrition, Karolinska Institutet, Stockholm, Sweden

Birgitta Evengard

Affiliation Department of Clinical Microbiology, University of Umeå, Umeå, Sweden

Fred A. Wright

Affiliation Department of Biostatistics, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America

Nancy L. Pedersen

nancy.pedersen@ki.se (NLP); pfsulliv@med.unc.edu (PFS)

Affiliation Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden

Patrick F. Sullivan

nancy.pedersen@ki.se (NLP); pfsulliv@med.unc.edu (PFS)

Affiliations Department of Genetics, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America, Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden

Competing Interests

In the interests of full disclosure, Dr. Sullivan reports receiving unrestricted research funding from Eli Lilly for genetic research in schizophrenia. The other authors report no conflicts.

Author Contributions

Conceived and designed the experiments: FW NLP PFS. Performed the experiments: AJ KDW BE. Analyzed the data: AB KDW FW PFS. Contributed reagents/materials/analysis tools: FW PFS. Wrote the paper: AB NLP PFS.