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Information will continue to be gathered about you from NHS registries beyond the end of the study treatment period so that any long term effects of taking aspirin or fish oils can be discovered. If you do not wish to have further health information collected about you then you should inform the study team using the contact details below. Anonymised information about study participants, which would not identify you, may be shared in the future with other approved medical researchers. Sharing of information with other researchers helps ensure that research is open to scrutiny and that best use is made of the information collected. Researchers at Oxford University will remain responsible for the security and validity of the information held.