About the Authors

Graciela S Alarcón, Barri J Fessler, Jeffrey C Edberg, Robert P Kimberly
Division of Clinical Immunology and Rheumatology, Department of Medicine, School of Medicine, University of Alabama at Birmingham, Birmingham, Alabama, United States of America

Gerald McGwin Jr.
Section of Trauma, Burns, and Critical Care, Department of Surgery, School of Medicine, University of Alabama at Birmingham, Birmingham, Alabama, United States of America

Michelle Petri
Division of Rheumatology, School of Medicine, Johns Hopkins University, Baltimore, Maryland, United States of America

Rosalind Ramsey-Goldman
Division of Rheumatology, Northwestern University School of Medicine, Chicago, Illinois, United States of America

Luis M Vilá
Division of Rheumatology, Department of Medicine, University of Puerto Rico Medical Sciences Campus, San Juan, Puerto Rico

John D Reveille
Division of Rheumatology, Department of Medicine, University of Texas Health Science Center at Houston, Houston, Texas, United States of America

Corresponding Author

graciela.alarcon@ccc.uab.edu

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

GSA, MP, LMV, JDR, and RPK designed the study. MP, RRG, LMV, BJF, JDR, and RPK enrolled patients. GM, JCE, and RPK analyzed the data. GSA, GM, MP, RRG, LMV, JCE, JDR, and RPK contributed to writing the paper.