; (II) the criteria used in such selection; and (III) the activities carried out by such States under such planning grants. (ii) Interim report Not later than 3 years after the date of enactment of this subsection, the Administrator of the Centers for Medicare & Medicaid Services shall, submit to Congress an interim report— (I) on activities carried out under the demonstration project under this subsection; (II) on the extent to which States selected under paragraph (4) have achieved the activities submitted in their applications under subparagraph (C) of such paragraph; (III) with a description of the strengths and limitations of such demonstration project; and (IV) with a plan for the sustainability of such project. (iii) Final report Not later than 18 months following the implementation of the demonstration project, the Secretary shall submit to Congress and make public a final report— (I) providing updates on the matters reported in the interim report under clause (ii); (II) including a description of any changes made with respect to the demonstration project under this subsection after the submission of such interim report; and (III) evaluating such demonstration project. (C) Report on experiences of States Not later than 4 years after the date of the enactment of this subsection, the Administrator of the Centers for Medicare & Medicaid Services, in consultation with the Director of the Agency for Healthcare Research and Quality, shall submit to Congress a summary on the experiences of States awarded planning grants under paragraph (3) and States selected under paragraph (4). (7) Data sharing and best practices During the period of the demonstration project under this subsection, the Secretary shall, in collaboration with States selected under paragraph (4), facilitate information sharing and the exchange of identified best practices between— (A) providers who treat sickle cell disease