[1] Natl Univ Hosp Syst, Alexandra Hosp, Chron Program, Singapore, Singapore
[2] Natl Univ Singapore Hosp, Univ Med Cluster, Div Endocrinol, Singapore, Singapore
[3] Natl Univ Hosp Syst, Alexandra Hosp, Fast Program, Singapore, Singapore
[4] Natl Univ Hosp Syst, Alexandra Hosp, Dept Ambulatory Operat, Singapore, Singapore
[5] Natl Univ Singapore Hosp, Univ Med Cluster, Div Rheumatol, Singapore, Singapore
[6] Natl Univ Singapore, Yong Loo Lin Sch Med, Dept Med, Singapore, Singapore
[7] Natl Univ Singapore Hosp, Natl Univ Canc Inst Singapore, Dept Haematol Oncol, Singapore, Singapore