1 Rheumatology Division, Department of Medicine, Universidade Federal de São Paulo - Escola Paulista de Medicina, São Paulo, SP, Brazil.
2 Centre for Inflammatory Diseases, Department of Medicine, Monash Medical Centre, School of Clinical Sciences, Monash University, Clayton, VIC, Australia.
3 Department of Clinical Immunology and Rheumatology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India.
4 Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China.
5 British Columbia (BC) Children's Hospital Research Institute, Centre for Blood Research, and Department of Pediatrics, University of British Columbia, Vancouver, BC, Canada.