Christopher SH Lim, MBBS; SiewLin Lim, MBBS; KahBeng Lim, MBBS, MRCP
Dr. CSH Lim is from the Central Manpower Base, Ministry of Defence, Singapore. Drs. SL Lim and KB Lim are from K.B. Lim Skin Clinic Pte Ltd, Gleneagles Medical Centre, Singapore.
The authors report no conflict of interest.
Correspondence: Christopher SH Lim, MBBS, Central Manpower Base, 3 Depot Rd, Singapore 109680 (fluppy888@yahoo.com).