[1] St George Dermatol & Skin Canc Ctr, Kogarah, NSW, Australia
[2] Royal North Shore Hosp, Dept Ophthalmol, St Leonards, NSW, Australia
[3] Univ Sydney, Sch Med, Sydney, NSW, Australia
[4] Royal North Shore Hosp, Dept Dermatol, St Leonards, NSW, Australia