Sample collection protocol for female participants. Superscript numbers indicate procedures: 1, gonococcal culture; 2, Gen-Probe Aptima unisex swab specimen collection kit for endocervical swab specimens; 3, Becton Dickinson ProbeTec ET Chlamydia trachomatis/Neisseria gonorrhoeae (CT/GC) amplified DNA assay collection kit for endocervical specimens; 4, Abbott multi-Collect specimen collection kit; 5, Gen-Probe Aptima vaginal swab specimen collection kit for clinician-collected swab specimens; 6, Gen-Probe Aptima urine specimen collection kit for urine specimens; 7, Becton Dickinson ProbeTec ET urine processing kit for urine specimens.