Health Behaviour Study
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Please enter your unique ID

These should be the first two letters of your hometown (e.g., CH if your hometown is Chesterfield), the day of your date of birth (e.g., 18 if you were born on the 18th of November) and the first two letters of your mother's first name (e.g., PA if your mother's name is Paula). (The ID in this example would be CH18PA).
Please enter the password shown in the invitation email.