1. Johns Hopkins University School of Medicine, Baltimore, Maryland
2. Cedars‐Sinai Medical Center and David Geffen School of Medicine, University of California, Los Angeles
3. Centro Medico Privado de Reumatologia, Tucumán, Argentina
4. Pinnacle Research Group, Anniston, Alabama
5. University of California at San Diego, La Jolla
6. Organización Médica de Investigación, Buenos Aires, Argentina
7. East Bay Rheumatology Research Institute, San Leandro, California
8. MedImmune, LLC, Gaithersburg, Maryland