1. Plastic Surgery and Major Burns Service, Virgen del Rocío University Hospital, 41013 Seville, Spain
2. Faculty of Health Sciences, Universitat Oberta de Catalunya (UOC), 08018 Barcelona, Spain
3. Division of Country Health Policies and Systems, Regional Office for Europe, World Health Organization, 2100 Copenhagen, Denmark
4. Dermatology Service, Virgen del Rocío University Hospital, 41013 Seville, Spain