; (ii) one has a background in the field of endocrinology and metabolic medicine; (iii) one has a background in hematology; (iv) one has a background in oncology; and (v) one has a background in occupational and environmental health; and (B) who are not officials or employees of the Federal Government. (3) In appointing individuals under paragraph (1)(A), the Speaker of the House of Representatives, the minority leader of the House of Representatives, the majority leader of the Senate, the minority leader of the Senate, and the Secretary shall ensure that at least two members of the Commission represent an organization recognized by the Secretary for the representation of veterans under section 5902 of this title. (4) In appointing individuals under paragraph (1)(A), the Speaker of the House of Representatives, the minority leader of the House of Representatives, the majority leader of the Senate, the minority leader of the Senate, and the Secretary shall give consideration to including in the Commission at least one member who works with survivors of illnesses related to exposure to toxic substances and has a background in the field of study of exposure to toxic substances. (e) Meetings (1) The Commission shall meet not less frequently than twice each year. (2) (A) Each meeting of the Commission shall be open to the public. (B) All the proceedings, information, and deliberations of the Commission shall be available for review by the public. (C) Meetings of the Commission may be carried out through the use of telephonic or other appropriate telecommunication technology if the Commission determines that such technology will allow the members to communicate simultaneously. (f) Chair and Vice Chair At the initial meeting of the Commission under subsection (e), the Commission shall select a Chair and Vice Chair from among the members of the Commission by a majority vote of the members of the Commission. (g) Period of appointment