1. Department of Medicine; Faculty of Medicine; University of Malaya; Kuala Lumpur Malaysia
2. Department of Pharmacy; Faculty of Medicine; University of Malaya; Kuala Lumpur Malaysia
3. Department of Social and Preventive Medicine; Faculty of Medicine; University of Malaya; Kuala Lumpur Malaysia
4. Department of Medicine; Faculty of Medicine; University Kebangsaan Malaysia; Kuala Lumpur Malaysia
5. Department of Medicine; Selayang Hospital; Selangor Malaysia
6. Department of Medicine; Putrajaya Hospital; Putrajaya Malaysia
7. Department of Rheumatology and Immunology; Singapore General Hospital; Singapore Singapore
8. l-NUS Medical School; Singapore Singapore