<qa>  What is the name of the group that assesses all the patients referred to?1. Recruitment and screening The Youth Access Team YAT assesses all the patients referred to the Early Psychosis Prevention and Intervention Centre EPPIC in order to confirm the diagnosis of first psychotic episode. Patients with a clinical presentation compatible with a diagnosis of first episode mania will be presented to the main investigator or to one of the co-investigators for a screening interview. This interview should take place as soon as possible, and not later than 24 hours after admission. During these 24 hours, the patients will be kept under a treatment of benzodiazepine exclusively. 