1. Centre for Population Health Sciences (CePHaS) Lee Kong Chian School of Medicine Nanyang Technological University Clinical Sciences Building, 11 Mandalay Road Singapore 308232 Singapore
2. Queensland University of Technology Kelvin Grove Queensland Australia
3. Research Institute for Primary Care and Health Sciences Keele University Staffordshire ST55BG U.K
4. Dermatology Service KK Women's and Children's Hospital Singapore
5. National Skin Centre 1 Mandalay Road Singapore 308205
6. Skin Research Institute of Singapore Singapore
7. Global eHealth Unit Department of Primary Care and Public Health School of Public Health Imperial College London 3rd floor Reynolds Building, St Dunstan's Road London W6 8RP U.K