1. Department of Oral Biology, University of Florida, Gainesville, Florida, USA
2. Central Diagnostic Laboratory, Maastricht University Medical Center, Maastricht, The Netherlands
3. Pontifícia Universidade Católica de Goiás, Goiânia, GO, Brazil
4. Laboratory of Immunology, Hospital Carlos G. Durand, and Department of Immunology, Instituto Universitario del Hospital Italiano, Buenos Aires, Argentina
5. Institute of Immunology, Technical University of Dresden, Dresden, Germany
6. Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, Canada
7. Department of Immunology and Rheumatology, Hospital General de Occidente and University of Guadalajara, Guadalajara, Mexico
8. Department of Internal Medicine VI, Medical University of Innsbruck, Innsbruck, Austria
9. Department of the Control for Rheumatic Diseases and Department of Rheumatology and Clinical Immunology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
10. Department of Clinical Nursing, University of Occupational and Environmental Health, Kitakyushu, Japan
11. Brazilian Society of Autoimmunity, Porto Alegre, Brazil
12. Rheumatology Division, Escola Paulista de Medicina, Universidade Federal de São Paulo; Immunology Division, Fleury Medicine and Health Laboratories, São Paulo, Brazil