PPARA and schizophrenia: Two authors independently searched the MEDLINE, Cochrane Central Register, EMBASE, and Mendeley databases for the following entries: schizophrenia or patients with schizophrenia and celecoxib and PUFA and omega-3-fatty acids and acetylsalicylic acid and minocycline and statins and PPAR agonist and pioglitazone and rosiglitazone and ace-inhibitors and prednisolone and immunomodulators and fingolimod and monoclonal antibody and rituximab.