5. The Committee against Torture, created in 1987, reviews the application of the Convention against Torture and Other Cruel, Inhuman or Degrading Treatment or Punishment. It has 10 members. 6. The Subcommittee on Prevention of Torture held its first session in February 2007. Its mandate is twofold: to visit all places of detention in State parties; and to provide assistance and advice to both States parties and their independent national bodies for the prevention of torture and other cruel, inhuman or degrading treatment or punishment, the national preventive mechanisms. It has 25 members. 7. The Committee on the Rights of the Child has, since 1991, reviewed the application of the Convention on the Rights of the Child, as well as its Optional Protocols relating to the involvement of children in armed conflict and to the sale of children, child prostitution and child pornography, by their State parties. It has 18 members. 8. The Committee on Migrant Workers held its first session in March 2004 and reviews the application of the International Convention on the Protection of the Rights of All Migrant Workers and Members of their Families. It has 14 members. 9. The Committee on the Rights of Persons with Disabilities, established in November 2008, held its first session in February 2009. It has 18 members. 10. The Committee on Enforced Disappearances was created in June 2011 following the entry into force on 23 December 2010 of the International Convention for the Protection of All Persons from Enforced Disappearance. It has 10 members. Each committee is composed of independent experts of recognized competence in human rights, who are nominated and elected for fixed, renewable terms of four years by State parties. Elections for half the members take place every two years. The terms of the members of the newest treaty bodies (Subcommittee on Prevention of Torture, Committee on the Rights of Persons with Disabilities and Committee on Enforced Disappearances) are renewable only once. The treaty bodies generally meet at the United Nations Office at Geneva, although the Human Rights Committee and the Committee on the Elimination of Discrimination against Women usually hold one of their sessions in New York every year. All the treaty bodies receive support from the Human Rights Treaties Division of OHCHR in Geneva. 20