AMS, Ageing Male Symptoms; ASFQ, Abbreviated Sexual Function Questionnaire; DSDS, Decreased Sexual Desire Screener; EDITS, Erectile Dysfunction Inventory of Treatment Satisfaction; EHS, Erection Hardness Scale; FSDS-R, Female Sexual Distress Scale Revised; FSFI, Female Sexual Function Index; HSDD, Hypoactive Sexual Desire Disorder Screener; IIEF, International Index of Erectile Function; IPE, Index of Premature Ejaculation; PEDT, Premature Ejaculation Diagnostic Tool; SEAR, Self-Esteem and Relationship Questionnaire; SHIM, Sexual Health Inventory for Men; SFQ28, Sexual Function Questionnaire; SQOL-F, Sexual Quality of Life-Female; SQOL-M, Sexual Quality of Life-Men QEQ, Quality of Erection Questionnaire.