1. Department of Plastic and Reconstructive Surgery, Royal Free Hospital , London, UK and an evidence-based medicine editor of Aesthetic Surgery Journal
2. Department of Plastic and Reconstructive Surgery, Royal Free Hospital , London, UK and a research section editor of Aesthetic Surgery Journal
3. Department of Ophthalmology, University of British Columbia , Vancouver, BC , Canada
4. Department of Dermatology, University of British Columbia , Vancouver, BC , Canada