Inclusion Criteria:  To present history of one or more psychotic episodes defined according to DSM-5 criteria, including patients with diagnoses of Schizophrenia, Schizoaffective Disorder and non-specific psychotic disorders. Patients of non-local origins who have undergone a migration process along the life line (as case individuals) and autochthonous patients (as control individuals). Age between 18 and 65 years.  Exclusion Criteria:  Patients who have not clinical stability. Important cognitive limitations to understand informed consent nor applied questionnaires. Language barrier that limits understanding informed consent nor applied questionnaires.