[1] Singapore Gen Hosp, Dept Rheumatol & Immunol, Singapore, Singapore
[2] SingHealth, Internal Med Residency, Singapore, Singapore
[3] Duke NUS Med Sch, Programme Hlth Serv & Syst Res, Singapore, Singapore
[4] Natl Univ Singapore, Yong Loo Lin Sch Med, Dept Med, Singapore, Singapore
[5] Duke NUS Med Sch, Singapore, Singapore
[6] Natl Univ Singapore, Dept Pharm, Fac Sci, Singapore, Singapore
[7] Natl Univ Singapore, Fac Sci, Lock S4A,Level 3,18 Sci Dr 4, Singapore 117543, Singapore
[8] Singapore Gen Hosp, Dept Rheumatol & Immunol, Acad Level 4,20 Coll Rd, Singapore 169856, Singapore