1. Health Search, Italian College of General Practitioners and Primary Care, Florence, Italy
2. Dermatology and Venereology Private Practice, Bari, Italy
3. Dermatology and Venereology Private Practice, Barletta, Italy
4. Division of Pediatric Infectious Diseases, Department for Woman and Child Health, University of Padua, Padua, Italy
5. Italian College of General Practitioners and Primary Care, Florence, Italy