1. Institute of Dermatology; Department of Clinical-Surgical, Diagnostic and Pediatric Science; IRCCS Foundation Policlinico San Matteo; University of Pavia; Pavia Italy
2. Department of Haematology; IRCCS Foundation Policlinico San Matteo; University of Pavia; Pavia Italy
3. First Department of Internal Medicine; IRCCS Foundation Policlinico San Matteo; University of Pavia; Pavia Italy
4. Department of Pediatrics; IRCCS Foundation Policlinico San Matteo; University of Pavia; Pavia Italy