collaborative learning and capacity building models in order to expand access to health care services provided by such entities, including for medically underserved areas and to medically underserved populations or Native Americans, including Indian Tribes and Tribal organizations. (i) Research and evaluation The Secretary, in consultation with stakeholders with appropriate expertise in such models, shall develop a strategic plan to research and evaluate the evidence for such models. The Secretary shall use such plan to inform the activities carried out under this section. (j) Report by Secretary Not later than 4 years after the date of enactment of this section, the Secretary shall prepare and submit to the Committee on Health, Education, Labor, and Pensions of the Senate and the Committee on Energy and Commerce of the House of Representatives, and post on the internet website of the Department of Health and Human Services, a report including, at minimum— (1) a description of any new and continuing grants awarded to entities under subsection (b) and the specific purpose and amounts of such grants