; and (C) perform other activities necessary to support neonatal drug applications. (2) Public comment The Secretary shall provide a period of public notice and comment on the proposed list and shall hold public meetings to elicit input from patient advocacy and other organizations prior to publishing the final list. (3) Subsequent update The Secretary may revise, and publish in accordance with paragraph (1)(A), the Priority List of Critical Needs for Neonates every 3 years, or as frequently as the Secretary determines necessary. (4) Restriction on removal from list No disease or condition on the Priority List of Critical Needs for Neonates may be removed until after completion of the study and report under subsection (d). (d) GAO study and report (1) Study (A) In general Beginning 8 years after the date of enactment of the Promoting Life-Saving New Therapies for Neonates Act of 2017 or on the date that the Secretary awards the third neonatal exclusivity voucher under this section, whichever is earlier, the Comptroller General of the United States shall conduct a study of the effectiveness of the program under this section for the development of human drugs to treat and prevent diseases or conditions in the neonatal population. (B) Contents of the study In conducting the study under subparagraph (A), the Comptroller General shall examine the following: (i) The number of neonatal drug vouchers awarded under this section. (ii) The indications for each drug for which a neonatal exclusivity voucher was approved under section 505 or section 351 of the Public Health Service Act, and whether any other drugs with indications for populations other than neonates were approved with an indication for neonates under those sections. (iii) Whether, and to what extent, an unmet need related to the treatment or prevention of a disease or condition that affects the neonatal population was met through the approval of a neonatal drug. (iv) The value of the neonatal exclusivity voucher if transferred. (v) Identification of each drug