1. Previous or current treatment with drugs influencing beta cell function or insulin sensitivity (e.g. oral hypoglycemic agents, glucocorticoids); or with antipsychotic, antianxiety, or antidepressant medications (eg monoamine oxidase (MAO) inhibitors, 5HT inhibitors, tricyclic antidepressants); or treatment with reserpine; or treatment with beta2receptor agonists (eg, terbutaline); or treatment with anticoagulant medication.