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The study is funded by UK Research and Innovation and the National Institute for Health Research, not the makers of any of the study treatments. If we find out any new information that might affect your decision to stay in the study, we will give it to you.

The University of Oxford, as Sponsor, has appropriate insurance in place in the unlikely event that you suffer any harm as a direct consequence of your participation in this study. NHS indemnity operates in respect of the clinical treatment that is provided.