1. School of Medicine and Surgery University of Milano–Bicocca Milan Italy
2. Department of Pediatrics Fondazione IRCCS San Gerardo dei Tintori Monza Italy
3. Private practitioner with no formal affiliation
4. Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Clinical Metabolic Reference Center Milan Italy
5. Pediatric Department Ospedale San Paolo, ASST Santi Paolo e Carlo, University of Milan Milan Italy
6. Clinical Psychology Unit Fondazione IRCCS San Gerardo dei Tintori Monza Italy