About the Authors

Julia Greenfield

Roles Data curation, Writing – original draft

Affiliations Department of Anatomy McGill University, Montréal, Quebec, Canada, Medicine, McGill University, Montréal, Quebec, Canada

Marie Hudson

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Writing – review & editing

marie.hudson@mcgill.ca

Affiliations Medicine, McGill University, Montréal, Quebec, Canada, Division of Rheumatology Jewish General Hospital, Montréal, Quebec, Canada, Lady Davis Institute, Jewish General Hospital, Montréal, Quebec, Canada

Evelyne Vinet

Roles Data curation, Writing – review & editing

Affiliations Medicine, McGill University, Montréal, Quebec, Canada, Division of Rheumatology, McGill University Health Center, Montreal, Quebec, Canada

Paul R. Fortin

Roles Data curation, Writing – review & editing

Affiliations Division of Rheumatology, Department of Medicine, Centre Hospitalier Universitaire de Québec, Quebec City, Quebec, Canada, Université Laval, Quebec City, Quebec, Canada

Vivian Bykerk

Roles Data curation, Writing – review & editing

Affiliation Division of Rheumatology, Hospital for Special Surgery, Cornell University, New York, New York, United States of America

Christian A. Pineau

Roles Data curation, Writing – review & editing

Affiliations Medicine, McGill University, Montréal, Quebec, Canada, Division of Rheumatology, McGill University Health Center, Montreal, Quebec, Canada

Mianbo Wang

Roles Formal analysis, Writing – review & editing

Affiliation Lady Davis Institute, Jewish General Hospital, Montréal, Quebec, Canada

Sasha Bernatsky

Roles Data curation, Writing – review & editing

Affiliations Medicine, McGill University, Montréal, Quebec, Canada, Division of Rheumatology, McGill University Health Center, Montreal, Quebec, Canada

Murray Baron

Roles Data curation, Writing – review & editing

Affiliations Medicine, McGill University, Montréal, Quebec, Canada, Division of Rheumatology Jewish General Hospital, Montréal, Quebec, Canada, Lady Davis Institute, Jewish General Hospital, Montréal, Quebec, Canada

Canadian Scleroderma Research Group and Canadian Inflammatory Myopathy Study Group

Membership of the Canadian Scleroderma Research Group and Canadian Inflammatory Myopathy Study Group is provided in the Acknowledgments.

Competing Interests

I and the Canadian Scleroderma Research Group have received unrestricted research and in-kind grants from Janssen Inc., INOVA Diagnostics Inc. (San Diego, CA), Dr. Fooke Laboratorien GmbH (Neuss, Germany), Euroimmun (Lubeck, Germany), Mikrogen GmbH (Neuried, Germany), Pfizer and Actelion. This does not alter our adherence to PLOS ONE policies on sharing data and materials.