five years thereafter, the Secretary of Veterans Affairs, in consultation with the Secretary of Defense and the Administrator of the Environmental Protection Agency, shall submit to Congress recommendations for additional chemicals with respect to which individuals exposed to such chemicals should be included in the registry established under subsection (a). (d) Eligible individual defined In this section, the term eligible individual means any individual who, on or after a date specified by the Secretary of Veterans Affairs through regulations, served or is serving in the Armed Forces at a military installation where AFFF was used or at another location of the Department of Defense where AFFF was used. 727. Inclusion of gambling disorder in health assessments for members of the Armed Forces and related research efforts (a) Annual Periodic Health Assessment The Secretary of Defense shall incorporate medical screening questions specific to gambling disorder into the Annual Periodic Health Assessment conducted by the Department of Defense for members of the Armed Forces. (b) Research efforts The Secretary shall incorporate into ongoing research efforts of the Department questions on gambling disorder, as appropriate, including by restoring such questions into the Health Related Behaviors Survey of Active Duty Military Personnel and the Health Related Behaviors Survey of Reserve Component Personnel. (c) Report Not later than two years after the date of the enactment of this Act, the Secretary shall submit to the congressional defense committees a report on efforts undertaken pursuant to subsections (a) and (b) and the findings of the assessments and surveys described in those subsections with respect to the prevalence of gambling disorder among members of the Armed Forces. 728. Comptroller General review of Defense Health Agency oversight of TRICARE managed care support contractors (a) Review Not later than 180 days after the date of the enactment of this Act, the Comptroller General of the United States shall