About the Authors

Cynthia S. Crowson

crowson@mayo.edu

Affiliation Division of Biomedical Statistics and Informatics, Department of Health Sciences Research and Division of Rheumatology, Department of Medicine, Mayo Clinic, Rochester, Minnesota, United States of America

Silvia Rollefstad

Affiliation Preventive Cardio-Rheuma Clinic, Department of Rheumatology, Diakonhjemmet Hospital, Oslo, Norway

George D. Kitas

Affiliation Dudley Group NHS Foundation Trust, West Midlands, United Kingdom

Piet L. C. M. van Riel

Affiliation Department of Rheumatic Diseases, Radboud University Nijmegen Medical Centre, Nijmegen, Netherlands

Sherine E. Gabriel

Current address: Rutgers Robert Wood Johnson Medical School, New Brunswick, New Jersey, United States of America

Affiliation Division of Biomedical Statistics and Informatics, Department of Health Sciences Research and Division of Rheumatology, Department of Medicine, Mayo Clinic, Rochester, Minnesota, United States of America

Anne Grete Semb

Affiliation Preventive Cardio-Rheuma Clinic, Department of Rheumatology, Diakonhjemmet Hospital, Oslo, Norway

On behalf of A Trans-Atlantic Cardiovascular Risk Consortium for Rheumatoid Arthritis (ATACC-RA)

Membership in the ATACC-RA is provided in the Acknowledgments.

Competing Interests

I have read the journal's policy and the authors of this manuscript have the following competing interests: CSC, SR, SEG: nothing to disclose. GDK: MSD, UCB, Abbvie, Pfizer, BMS, Novartis. PLCMR: Abbott, BMS, MSD, Pfizer, Roche, Eli-Lilly, Galapagos, UCB, Celltrion. AGS: Merck/Schering- Plough, UCB, Abbott, Pfizer/Wyeth, BMS, Eli-Lilly. This does not alter our adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceptualization: GDK PLCMR SEG AGS. Data curation: CSC. Formal analysis: CSC. Funding acquisition: GDK PLCMR SEG AGS. Investigation: CSC SR GDK PLCMR SEG AGS. Methodology: CSC. Project administration: CSC SR GDK PLCMR SEG AGS. Resources: CSC SR GDK PLCMR SEG AGS. Software: CSC. Supervision: CSC SR GDK PLCMR SEG AGS. Validation: CSC. Visualization: CSC. Writing – original draft: CSC. Writing – review & editing: CSC SR GDK PLCMR SEG AGS.