(a). (3) Chairperson The members of the Commission shall select a chairperson from the members appointed under paragraph (2). (4) Meetings The Commission shall meet 3 times per year. (5) Vacancies A vacancy on the Commission shall be filled in the same manner as the original appointments. (c) Responsibilities The Commission shall evaluate and make recommendations, as appropriate, to the Director of NIH and Congress regarding— (1) the incidence, duration, and mortality rates of fibrotic diseases as described in subsection (a)