1. United Nations. Convention on the rights of persons with disabilities and optional protocol. Available at: http://www.un.org/disabilities/documents/convention/convoptprot-e.pdf. Accessed September 22, 2015.
2. International Classification of Functioning, Disability and Health: ICF,2001
3. Development of the children with disabilities algorithm;Chien;Pediatrics.,2015
4. Changing trends of childhood disability, 2001-2011;Houtrow;Pediatrics.,2014
5. The changing landscape of disability in childhood;Halfon;Future Child,2012