Gemini questionnaire
Please write your Family ID Number in the box: 
It would be really helpful for us to be able to contact you by email. If you are happy to provide this information please enter it below.
Email:  (optional)
To begin the questionnaire, click the 'next' button.
For further information about the study, please contact Dr Ellen van Jaarsveld, Health Behaviour Research Centre, Dept of Epidemiology & Public Health, UCL, 1-19 Torrington Place, London WC1E 7HB   Email: Gemini@public-health.ucl.ac.uk
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