How old were you the first time it happened:Time:Pt:^Patient:Qn:LTVH
how old were you the first time it happened:time:pt:^patient:qn:ltvh
How old were you the first time it happened:Time:To identify measures at a point in time:^Patient:Quantitative:LTVH
how old were you the first time it happened:time:to identify measures at a point in time:^patient:quantitative:ltvh