(1) Advise the administering agency and personnel thereof with respect to determining the quantity and extent of medical care provided under this article;
(2) Communicate the views of the medical care professions in these respects to the administering agency;
(3) Communicate the views of the administering agency in these respects to the medical care professions; and
(4) Encourage physicians and other medical care personnel to participate in medical care programs herein authorized and prescribed, although such participation shall not be mandatory upon any such personnel.