DPP4 and psychiatric disorder: Treatment with any GLP‐1RA or DPP‐4 inhibitor or insulin with in the last 3 months; treatment with any hypoglycaemic agent(s) other than metformin, sulphonylurea and glitazone in the last 3 months; untreated/ uncontrolled hypertension or hypo/hyperthyroidism; history of serious psychiatric disorders