"abcd_yff","01" "subjectkey","src_subject_id","interview_age","interview_date","sex","eventname","fitf_s1_q1_y","fitf_s2_q1_y","fitf_s3_q1_y","fitf_s4_q7_y","fitf_s4_q8_y___1","fitf_s4_q8_y___2","fitf_s4_q8_y___3","fitf_s4_q8_y___4","fitf_s4_q8_y___5","fitf_s4_q11_y","fitf_s4_q12_y","fitf_s4_q14_y","fitf_s6_q3b_y"