; (C) has not otherwise conducted an external clinical review of benefits administered by the Secretary pursuant to this title other than this section; (D) has sufficient training and expertise in medical science and other appropriate health, educational, and vocational training and legal matters to perform the reviews described in paragraph (1); and (E) employs a panel of physicians or other appropriate health care professionals who do not provide health care to the individual who makes an election under paragraph (1). (3) Each external clinical review conducted pursuant to paragraph (1) shall— (A) be based on applicable information included in the application for assistance described in such paragraph, including clinical expertise, medical, technical, and scientific evidence; (B) include an opportunity for both the individual who elects for such review and, to the extent possible, the veteran for whom care is being provided to offer opinions and supporting data as to the level of care required; and (C) include a review of the initial clinical review of such veteran and any other review made by the Secretary. (4) In carrying out the external clinical reviews pursuant to paragraph (1), the independent contractor shall, as determined appropriate by the Secretary— (A) collect and maintain information required