1. WHO. Assistive technology: Fact sheet 2016 [cited 2017 February 16]. Available from: http://www.who.int/mediacentre/factsheets/assistive-technology/en/.
2. WHO. Priority Assistive Products List 2016 [cited 2017 February 16]. Available from: http://www.who.int/phi/implementation/assistive_technology/global_survey-apl/en/.
3. International Organization for Standardization. Prosthetics and orthotics—Vocabulary—Part 1: General terms for external limb prostheses and external orthoses. Geneva, Switzerland.: 1989.
4. WHO. World Report on Disability World Health Organization, Geneva 2011 [cited 2017 February 16]. Available from: http://www.who.int/disabilities/world_report/2011/en/.
5. Khasnabis C. Standards for Prosthetics and Orthotics Service Provision: 2015–2017 work plan. Version 4 2015 [cited 2016 June 30]. Available from: http://www.who.int/phi/implementation/assistive_technology/workplan_p-o_standards.pdf.