1 Laser Dermatology Consultation, Division of Dermatology and Venereology, Geneva University Hospitals, Geneva, Switzerland.
2 Dermato-Oncology Unit, Division of Dermatology and Venereology, Geneva University Hospitals, Geneva, Switzerland.
3 Pediatric Dermatology Unit, Departments of Dermatology & Venereology and Pediatrics, University Hospital Lausanne, University of Lausanne, Lausanne, Switzerland.