1. Division of Rheumatology, Montefiore Medical Center, Bronx, NY 10467, USA
2. Division of Rheumatology, Albert Einstein College of Medicine, Bronx, NY 10461, USA
3. Section of Rheumatology, Temple University School of Medicine, Philadelphia, PA 19140, USA
4. Center for Autoimmune and Musculoskeletal Diseases, The Feinstein Institute for Medical Research, Manhasset, NY 11030, USA
5. Division of Rheumatology, Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA