; (v) transportation costs for medical providers participating in teaching under the program to travel to center sites if such sites are located more than 35 miles from their primary residences; and (vi) other purposes related to expenses incurred in the planning and delivery of the educational program and associated clinical visits, as the Secretary determines appropriate. (C) Term A grant under this section shall be for a period of 5-years. (D) Rural areas The Secretary shall ensure that at least half of the recipients of a grant under this section are eligible Federally-qualified health centers located in a rural area or rural health clinics, or affiliated organizations acting on behalf of such centers. (c) Physician participation in program (1) Eligibility To be eligible to participate in an accredited continuing medical education program offered under this section, a physician or other primary care or behavioral health care provider shall be a primary care provider— (A) who is employed by the grantee