1. Inova Diagnostics, San Diego, CA, USA
2. Rheumatology Division, Department of Medicine, Escola Paulista de Medicina, Universidade Federal de São Paulo, Sau Paulo, Brazil
3. Center for Health Disparities and Molecular Medicine, Department of Basic Sciences, Department of Medicine, Division of Rheumatology, Loma Linda University School of Medicine, Loma Linda, CA, USA
4. Cumming School of Medicine, University of Calgary, Calgary, Canada