The personal information that you give for this questionnaire will only be used for the purposes of building, improving and doing research on BSL SignBank and will not be transferred to an organisation outside of UCL. The information will be treated as strictly confidential and handled in accordance with the provisions of GDPR and the UCL Records Retention Schedule (UCL Data Protection Registration Number Z6364106/2016/05/12). You can withdraw your account at any time by contacting us at