1. Centro Dermatologia Epidermis; Instituto CUF; Porto Portugal
2. Portuguese Skin Cancer Association; Porto Portugal
3. Center for Health Technology and Services Research (CINTESIS) and Department of Health Information and Decision Sciences; Faculty of Medicine; University of Porto; Porto Portugal
4. Department of Dermatology; Instituto Valenciano de Oncologia; Valencia Spain
5. Faculty of Medicine; University of Porto; Porto Portugal