About the Authors

Bendik S. Winsvold

Contributed equally to this work with: Bendik S. Winsvold, Francesco Bettella

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Visualization, Writing – original draft, Writing – review & editing

bendik.s.winsvold@gmail.com

Affiliations FORMI and Department of Neurology, Oslo University Hospital, Oslo, Norway, Institute of Clinical Medicine, University of Oslo, Oslo, Norway

Francesco Bettella

Contributed equally to this work with: Bendik S. Winsvold, Francesco Bettella

Roles Conceptualization, Formal analysis, Investigation, Methodology, Visualization, Writing – original draft, Writing – review & editing

Affiliations Institute of Clinical Medicine, University of Oslo, Oslo, Norway, NORMENT KG Jebsen Centre, Division of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway

Aree Witoelar

Roles Formal analysis, Methodology, Writing – review & editing

Affiliations Institute of Clinical Medicine, University of Oslo, Oslo, Norway, NORMENT KG Jebsen Centre, Division of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway

Verneri Anttila

Roles Data curation, Writing – review & editing

Affiliations Analytic and Translational Genetics Unit, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, United States of America, Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard, Cambridge, Massachusetts, United States of America, Program in Medical and Population Genetics, Broad Institute of MIT and Harvard, Cambridge, Massachusetts, United States of America

Padhraig Gormley

Roles Data curation, Writing – review & editing

Affiliations Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard, Cambridge, Massachusetts, United States of America, Program in Medical and Population Genetics, Broad Institute of MIT and Harvard, Cambridge, Massachusetts, United States of America, Psychiatric & Neurodevelopmental Genetics Unit, Department of Psychiatry Massachusetts General Hospital, Boston, Massachusetts, United States of America

Tobias Kurth

Roles Data curation, Writing – review & editing

Affiliations Institute of Public Health, Charité–Universitätsmedizin Berlin, Berlin, Germany, Division of Preventive Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, United States of America

Gisela M. Terwindt

Roles Data curation, Writing – review & editing

Affiliation Department of Neurology, Leiden University Medical Centre, Leiden, The Netherlands

Tobias M. Freilinger

Roles Data curation, Writing – review & editing

Affiliations Department of Neurology and Epileptology, Hertie-Institute for Clinical Brain Research, University of Tübingen, Tübingen, Germany, Institute for Stroke and Dementia Research, Klinikum der Universität München, Ludwig-Maximilians-Universität München, Munich, Germany

Oleksander Frei

Roles Methodology, Writing – review & editing

Affiliations Institute of Clinical Medicine, University of Oslo, Oslo, Norway, NORMENT KG Jebsen Centre, Division of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway

Alexey Shadrin

Roles Methodology, Writing – review & editing

Affiliations Institute of Clinical Medicine, University of Oslo, Oslo, Norway, NORMENT KG Jebsen Centre, Division of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway

Yunpeng Wang

Roles Methodology, Writing – review & editing

Affiliations Institute of Clinical Medicine, University of Oslo, Oslo, Norway, NORMENT KG Jebsen Centre, Division of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway

Anders M. Dale

Roles Methodology, Writing – review & editing

Affiliation Center for Multimodal Imaging & Genetics, University of California, San Diego, La Jolla, California, United States of America

Arn M. J. M. van den Maagdenberg

Roles Data curation, Writing – review & editing

Affiliations Department of Neurology, Leiden University Medical Centre, Leiden, The Netherlands, Department of Human Genetics, Leiden University Medical Centre, Leiden, The Netherlands

Daniel I. Chasman

Roles Data curation, Writing – review & editing

Affiliations Division of Preventive Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, United States of America, Harvard Medical School, Boston, Massachusetts, United States of America

Dale R. Nyholt

Roles Data curation, Writing – review & editing

Affiliation Statistical and Genomic Epidemiology Laboratory, Institute of Health and Biomedical Innovation, Queensland University of Technology, Kelvin Grove, Australia

Aarno Palotie

Roles Data curation, Writing – review & editing

Affiliations Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard, Cambridge, Massachusetts, United States of America, Program in Medical and Population Genetics, Broad Institute of MIT and Harvard, Cambridge, Massachusetts, United States of America, Psychiatric & Neurodevelopmental Genetics Unit, Department of Psychiatry Massachusetts General Hospital, Boston, Massachusetts, United States of America

Ole A. Andreassen

Roles Conceptualization, Data curation, Funding acquisition, Methodology, Project administration, Supervision, Writing – review & editing

Affiliations Institute of Clinical Medicine, University of Oslo, Oslo, Norway, NORMENT KG Jebsen Centre, Division of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway

John-Anker Zwart

Roles Conceptualization, Data curation, Funding acquisition, Methodology, Project administration, Supervision, Writing – review & editing

Affiliations FORMI and Department of Neurology, Oslo University Hospital, Oslo, Norway, Institute of Clinical Medicine, University of Oslo, Oslo, Norway

The International Headache Genetics Consortium

Membership of The International Headache Genetics Consortium is provided in the Acknowledgments.

Competing Interests

The authors have declared that no competing interests exist. 23&Me Inc. (Mountain View, USA) and Decode genetics Inc. (Reykjavik, Iceland) provided support in the form of salaries for some of the authors listed as part of the International Headache Genetics Consortium (see the Funding Statement). This does not alter our adherence to PLOS ONE policies on sharing data and materials.