; and (B) of such veterans, how many times did a veteran contact the Veterans Crisis Line prior to committing or attempting suicide. (7) The long-term efficacy of the Veterans Crisis Line in preventing repeated suicide attempts and whether the efficacy is temporary, by determining, of the number of veterans who contacted the Veterans Crisis Line and did not commit or attempt suicide during the following six-month period, the number who contacted the Veterans Crisis Line in crisis at a later time and thereafter did commit or attempt suicide. (8) Whether referral to mental health care affects the risk of suicide, by determining— (A) the number of veterans who contact the Veterans Crisis Line who are not referred to, or do not continue receiving, mental health care who commit suicide