; (C) shall not impose additional cost-sharing with respect to the concurrent visits described in subparagraph (B); (D) may involve specialists and faculty who participate in the program via telemedicine for up to 50 percent of the clinical time, not to exceed 75 percent of the total program time over a 3-month average; and (E) with respect to rural and frontier Federally-qualified health centers or rural health clinics, may permit a waiver of subparagraph (D) (upon request to the Health Resources and Services Administration) to permit 100 percent telemedicine participation. (2) Training Accredited continuing medical education programs offered under this section may provide training to primary and behavioral care physicians and health care providers on— (A) endocrinology (including diabetes care); (B) palliative care and pain management; (C) dermatology; (D) obstetrics and gynecology; (E) pediatric primary care and pediatric subspecialties; (F) gastroenterology; (G) mental and behavioral health, and substance use treatment; (H) preventive care and nutrition; (I) geriatric medicine; (J) infectious disease; (K) cardiology; (L) rural health and training to improve outcomes for populations experiencing health disparities; (M) wound care; (N) disease management for patients with multiple comorbidities; (O) health information technology; and (P) other topics, as the Secretary determines appropriate. (3) Participating centers or clinics (A) In general To be eligible for a grant under this section a Federally-qualified health center or rural health clinic, or an organization affiliated with any such health clinic acting on behalf of multiple such clinics, shall— (i) submit an application to the Secretary at such time, in such manner, and containing such information as the Secretary may require; (ii) ensure that training under the program under the grant is provided to the physicians and primary care providers employed by such center or clinic, as well as peer-to-peer training