5. a. Should all of the PHO's physicians participate in the contract, or should subpanels be formed? b. If subpanels are formed, how should they be constituted? 6. Consider some other actions that the PHO could take to ensure that its contract with the Plan is successful. Specifically, comment on the advisability and feasibility of taking actions in the following areas: a. Utilization review b. Quality management c. Information systems 7. In your opinion, what are three key learning points from this case?