For sore backs, yoga and acupuncture appeared the most effective, and there was some evidence to also support the use of osteopathy and relaxation therapy as well as the Alexander technique which focuses on posture and movement.
These companies are either adding support services to an existing open source project or creating software and using open source as a marketing technique.
Support worker Heidi Wiedeman said some of the men had used what was sometimes called the "loverboy" technique, slowly building up a sense of trust and making the girls believe they were in a relationship before pressurising them into sexual acts, first with the abuser himself and then with other men.