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If you wish to complain about any aspect of this study, contact Ivan Koychev or his study team on 01865 613113 or by emailing Or you can contact the University of Oxford Clinical Trials and Research Governance (CTRG) office on 01865 572224 or email The University of Oxford, as Sponsor, has insurance in place in the unlikely event that harm is caused as a direct consequence of participation in the Great Minds.