Cookies on this website
We use cookies to ensure that we give you the best experience on our website. If you click 'Continue' we'll assume that you are happy to receive all cookies and you won't see this message again. Click 'Find out more' for information on how to change your cookie settings.

No. Participation is entirely up to you. If you agree to take part we will ask you to sign a form to record your consent. You are free to withdraw from the trial at any time, without giving a reason and this will not affect your NHS in any way. If you choose to take part, your GP will be informed.