- Currently diagnosed with diabetes mellitus, experiencing uncontrolled hypertension (i.e. systolic blood pressure (SBP) > 140 mmHg or diastolic blood pressure (DBP) > 90 mmHg), having a history of ischemic heart disease, cerebrovascular accidents, neurological disease or current/past severe psychiatric illness (e.g. severe depression, psychosis, schizophrenia) that required hospitalization, severe current untreated depression (i.e. score in the severe depression range on the Hospital Anxiety and Depression Scale; HADS), current suicidal ideation, and current or past suicide attempts.