1. Department of Medicine, National University of Ireland, Galway, Ireland.
2. Department of Medicine, Section of Rheumatology, St. Luke's Medical Center-Global City, Taguig, Philippines.
3. Department of Rheumatology, Royal Wolverhampton Hospitals NHS Trust, Wolverhampton, UK.
4. Department of Clinical Immunology and Rheumatology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India.