About the Authors
Division of Cardiology, Department of Medicine, Duke University Medical Center, Durham, North Carolina, United States of America
Division of Rheumatology, Johns Hopkins University, Baltimore, Maryland, United States of America
The authors have declared that no competing interests exist.
CD had the original idea for the study, and designed and oversaw the study. XL and SZ performed most of the experimental procedures and data analysis and participated in the study design. TW performed some experiments. LH and FMW recruited the patients and collected the skin biopsies. PJGC helped develop the concept of the study, and coordinated and supervised the experiments. XL, PJGC, and CD contributed to the writing of the report.