The correct option is:
UNOS committees, doctors, and donor/recipient families
Step-by-step explanation:
United Network for Organ Sharing (UNOS) is a non-profit, scientific and educational organization that administers the only Organ Procurement and Transplantation Network (OPTN) in the United States. UNOS administers the OPTN to ensure the effectiveness, efficiency and equity of organ sharing in the national system of organ allocation. It also tries to increase the supply of donated organs available for transplantation.