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. 2022 Jan 20;8:811855. doi: 10.3389/fmed.2021.811855

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Copyright © 2022 Murphy, Bere, Vamvakas and Mavris.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Number of patients involved from 2008 to 2020, by procedure type (protocol assistance, scientific advice and parallel procedures with HTA bodies). Data collection on patient involvement in scientific advice procedures began in 2008.