Choose your way to participate
You can complete the survey online by clicking the link below. This will take you to a separate site where you can complete the survey and submit your answers online.
Alternatively, you can request a paper copy of the survey to be sent to you. We'll also send you a freepost envelope for you to return your completed survey to us.

If you would like to download a copy of the Participant Information Sheet that accompanies the online survey, you can download a copy here.