Department of Dermatology, Singapore General Hospital, Singapore; Correspondence to: Shashendra Aponso, MD, Singapore General Hospital, Singapore 169608
Loh Chee Hoou, MD
Department of Dermatology, Singapore General Hospital, Singapore
Yeo Yi Wei, MBBS
Department of Dermatology, Singapore General Hospital, Singapore
Syed Ahmed Salahuddin, MBBS
Department of Pathology, Singapore General Hospital, Singapore