About the Authors

Brooke Rhead

Contributed equally to this work with: Brooke Rhead, Ina S. Brorson

Roles Formal analysis, Methodology, Visualization, Writing – original draft

Affiliations Computational Biology Graduate Group, University of California, Berkeley, Berkeley, CA, United States of America, Genetic Epidemiology and Genomics Laboratory, Division of Epidemiology, School of Public Health, University of California, Berkeley, Berkeley, CA, United States of America

Ina S. Brorson

Contributed equally to this work with: Brooke Rhead, Ina S. Brorson

Roles Data curation, Formal analysis, Investigation, Resources, Visualization, Writing – original draft

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

Tone Berge

Roles Conceptualization, Data curation, Resources, Supervision, Writing – review & editing

Affiliations Department of Neurology, Oslo University Hospital, Oslo, Norway, Department for Mechanical, Electronics and Chemical Engineering, Oslo Metropolitan University, Oslo, Norway

Cameron Adams

Roles Formal analysis, Methodology

Affiliation Genetic Epidemiology and Genomics Laboratory, Division of Epidemiology, School of Public Health, University of California, Berkeley, Berkeley, CA, United States of America

Hong Quach

Roles Data curation, Investigation

Affiliation Genetic Epidemiology and Genomics Laboratory, Division of Epidemiology, School of Public Health, University of California, Berkeley, Berkeley, CA, United States of America

Stine Marit Moen

Roles Data curation, Resources, Writing – review & editing

Affiliations Institute of Clinical Medicine, University of Oslo, Oslo, Norway, Department of Neurology, Oslo University Hospital, Oslo, Norway, MS-Centre Hakadal, Hakadal, Norway

Pål Berg-Hansen

Roles Data curation, Resources, Writing – review & editing

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

Elisabeth Gulowsen Celius

Roles Data curation, Resources, Writing – review & editing

Affiliations Department of Neurology, Oslo University Hospital, Oslo, Norway, Institute of Health and Society, Faculty of Medicine, University of Oslo, Oslo, Norway

Dipen P. Sangurdekar

Roles Formal analysis, Validation, Visualization, Writing – original draft

Affiliation Translational & Integrative Analytics, Biogen, Inc., Cambridge, MA, United States of America

Paola G. Bronson

Roles Validation, Visualization, Writing – review & editing

Affiliation Statistical Genetics & Genetic Epidemiology, Biogen, Inc., Cambridge, MA, United States of America

Rodney A. Lea

Roles Data curation, Writing – review & editing

Affiliations Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, Australia, Centre for Information Based Medicine, Hunter Medical Research Institute, Newcastle, Australia

Sean Burnard

Roles Data curation, Writing – review & editing

Affiliations Centre for Information Based Medicine, Hunter Medical Research Institute, Newcastle, Australia, School of Biomedical Sciences and Pharmacy, University of Newcastle, Newcastle, Australia

Vicki E. Maltby

Roles Data curation, Writing – review & editing

Affiliations Centre for Information Based Medicine, Hunter Medical Research Institute, Newcastle, Australia, School of Medicine and Public Health, University of Newcastle, Newcastle, Australia

Rodney J. Scott

Roles Conceptualization, Supervision, Writing – review & editing

Affiliations Centre for Information Based Medicine, Hunter Medical Research Institute, Newcastle, Australia, School of Biomedical Sciences and Pharmacy, University of Newcastle, Newcastle, Australia, Molecular Genetics, Pathology North, John Hunter Hospital, Newcastle, Australia

Jeannette Lechner-Scott

Roles Conceptualization, Supervision, Writing – review & editing

Affiliations Centre for Information Based Medicine, Hunter Medical Research Institute, Newcastle, Australia, School of Medicine and Public Health, University of Newcastle, Newcastle, Australia, Department of Neurology, John Hunter Hospital, Newcastle, Australia

Hanne F. Harbo

Roles Conceptualization, Funding acquisition, Supervision, Writing – review & editing

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

Steffan D. Bos

Roles Conceptualization, Funding acquisition, Resources, Supervision, Writing – original draft, Writing – review & editing

‡ These authors also contributed equally to this work.

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

Lisa F. Barcellos

Roles Conceptualization, Funding acquisition, Methodology, Supervision, Writing – review & editing

lbarcellos@berkeley.edu

‡ These authors also contributed equally to this work.

Affiliations Computational Biology Graduate Group, University of California, Berkeley, Berkeley, CA, United States of America, Genetic Epidemiology and Genomics Laboratory, Division of Epidemiology, School of Public Health, University of California, Berkeley, Berkeley, CA, United States of America

Competing Interests

Dipen P. Sangurdekar and Paola G. Bronson are employees at Biogen, Inc. Stine Marit Moen reports an unrestricted travel grant from Biogen Idec and speaker's fees from Biogen Idec and Novartis. Hanne F. Harbo reports personal fees from Biogen Norway, Merck Norway, and Genzyme Norway, and grants and personal fees from Novartis Norway. Pål Berg-Hansen reports grants and personal fees from Novartis and personal fees from Biogen Idec and Teva. Jeannette Lechner-Scott reports grants and personal fees from Biogen, Novartis, and TEVA, and personal fees from Sanofi Genzyme, Roche, and Merck. Tone Berge reports unrestricted grants from Biogen Idec and Sanofi Genzyme. This does not alter our adherence to PLOS ONE policies on sharing data and materials.