1. Observatory on Eating Disorders, Department of Psychology, University of Campania “Luigi Vanvitelli”, Viale Ellittico, 31 – 81100 –Caserta, Italy
2. Unit of Gastrointestinal Surgery, School of Medicine, University of Campania “Luigi Vanvitelli”, Naples, Italy
3. Pineta Grande Hospital, Castel Volturno, Caserta, Italy