 5. 4 contd b uncontrolled diabetes mellitus defined as Hgb A1c 8.5, or symptomatic hypoglycemic episodes 1 per week during the two months prior to eligibility evaluation, or more than 1 glucose excursion to 300 mgdL in prior two months--unless clearly iatrogenic and the cause has been eliminated,c lung disease requiring supplemental oxygen, d known chronic liver disease, or e HIV infection 