1. Department of Pediatrics Fondazione IRCCS Policlinico San Matteo University of Pavia Pavia Italy
2. Institute of Dermatology Fondazione IRCCS Policlinico San Matteo University of Pavia Pavia Italy
3. Department of Molecular Medicine Unit of Anatomic Pathology Fondazione IRCCS Policlinico San Matteo University of Pavia Pavia Italy