1 Department of Dermatology, Liverpool Hospital, Liverpool, NSW, Australia; Laboratory of Translational Cutaneous Medicine, Ingham Institute for Applied Medical Research, Liverpool, NSW, Australia; School of Clinical Medicine, UNSW Medicine and Health, Sydney, Australia.
2 Department of Dermatology, Bispebjerg Hospital, Copenhagen, Denmark.
3 Department of Dermatology, University of Turin, Turin, Italy.
4 Department of Dermatology, Eastern Virginia Medical School, Norfolk, Virginia.
5 Department of Dermatology, Bispebjerg Hospital, Copenhagen, Denmark; Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark.
6 Department of Dermatology, Liverpool Hospital, Liverpool, NSW, Australia; Laboratory of Translational Cutaneous Medicine, Ingham Institute for Applied Medical Research, Liverpool, NSW, Australia; School of Clinical Medicine, UNSW Medicine and Health, Sydney, Australia. Electronic address: john.frew@unsw.edu.au.