; or (ii) do not begin such care. (2) The visibility of the Veterans Crisis Line, by determining— (A) the number of veterans who contact the Veterans Crisis Line and have not previously received hospital care or medical services furnished by the Secretary; and (B) the number of veterans who contact the Veterans Crisis Line and have previously received hospital care or medical services furnished by the Secretary. (3) The role of the Veterans Crisis Line as part of the mental health care services of the Department, by determining, of the veterans who are enrolled in the health care system established under section 1705(a) of title 38, United States Code, who contact the Veterans Crisis Line, the number who are under the care of a mental health care provider of the Department at the time of such contact. (4) Whether receiving sustained mental health care affects suicidality and whether veterans previously receiving mental health care furnished by the Secretary use the Veterans Crisis Line in times of crisis, with respect to the veterans described in paragraph (3), by determining the time frame between receiving such care and the time of such contact. (5) The effectiveness of the Veterans Crisis Line in assisting veterans at risk for suicide when the Veterans Crisis Line is contacted by a non-veteran, by determining, of the number of non-veterans who contact the Veterans Crisis Line looking for support in assisting a veteran, how many of such individuals receive support in having a veteran begin to receive mental health care furnished by the Secretary. (6) The overall efficacy of the Veterans Crisis Line in preventing suicides and whether the number of contacts affects the efficacy, by determining— (A) the number of veterans who contact the Veterans Crisis Line who ultimately commit or attempt suicide