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Yes, protecting your personal information is very important to us. Personal information from the patch will only be shared with your GP so that we can ensure you receive the best possible healthcare as a result of the information we collect. We will also need to access your medical data from GP and NHS Digital. All information will be held securely in a database by the study team on computer servers managed by the University of Oxford and used only for the medical research purposes outlined in this study. We plan to keep the data we collected about you for least 25 years after the end of the study, but this will not be identifiable. By signing the consent form to take part you are giving our team permission to use your data in this way. For more information see the Data Usage tab. If at any stage you are concerned about how your data has been used or want to raise a complaint about data handling, you can contact the Independent Information Commissioner’s Office, who will advise you on how to proceed.