1. Dermatology, Phlebology and Fluid Mechanics Research Laboratory, St Vincent’s Centre for Applied Medical Research, Darlinghurst, NSW Australia
2. Department of Dermatology, St Vincent’s Hospital, Darlinghurst, NSW, Australia
3. Faculty of Medicine, University of New South Wales, Sydney, NSW, Australia
4. Sydney Skin and Vein Clinic, Chatswood, NSW, Australia