Sign up to take part in the study

For further information about the study, click here

There are two ways in which you can participate in the study:


If you don't feel comfortable leaving your email address you can click on the link below.


Click here for the anonymous link to the questionnaire.


If you would like to have a chance of winning one of four £50 amazon vouchers you can enter your email address in the box below. You will receive an email with a personal link to the online questionnaire. Your data will still be processed anonymously. In order to join the lottery you'll have to complete the questionnaire. 


Note: Please fill out the fields marked with an asterisk.