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It helps ASCEND to produce reliable results if we are able to follow-up as many participants as possible by accessing their electronic NHS records. If you decide you do not want your study data to be linked in this way you can withdraw from this follow-up without affecting your current medical care. This can be done by contacting the study team who would require your identifiers to then inform NHS Digital and other data sources that you no longer wish to be included. You are free to do this at any time and don’t have to give us a reason. If you have any questions, please contact the study team using the details below:

The ASCEND trial and its sub-studies have been reviewed and approved by the North West – Haydock Research Ethics Committee (03/8/087).

Reference number: 03/8/087