Original sentence: Contemporary secular reparative therapy, as championed by leading reparative therapists Joseph Nicolosi and Charles Socarides, holds that homosexuality is the product of a mental disorder they describe as "gender-identity deficit" caused by an alienation from, and perceived rejection by, individuals of the subject's gender.Reparative therapy can be used to describe any formal attempt to alter a person's sexual orientation, but is more typically used to refer to a specific counselling technique for gay or lesbian subjects, typically referred to as "strugglers" or "ex-gays"
Edited sentence: Contemporary secular reparative therapy, as championed by leading reparative therapists Joseph Nicolosi and Charles Socarides, holds that homosexuality is the product of a mental disorder they label "gender-identity deficit" caused by an alienation from, and perceived rejection by, individuals of the subject's gender.Reparative therapy is a specific counselling technique used on gay or lesbian subjects, typically referred to as "strugglers" or "ex-gays"