[1] Univ Sydney, Sydney Med Sch, Camperdown, NSW 2050, Australia
[2] Sydney Skin Hosp, Darlinghurst, Australia
[3] Univ New South Wales, Ctr Big Data Res Hlth, Kensington, Australia
[4] Alfred Hosp, Dept Dermatol, Melbourne, Australia
[5] Univ Illinois, Champaign, IL USA
[6] Royal North Shore Hosp, Dept Dermatol, St Leonards, Australia
[7] Prince Wales Hosp, Dept Dermatol, Randwick, Australia