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. 2023 Feb 24;20(3):242–251. doi: 10.1177/17407745231154260

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© The Author(s) 2023

This article is distributed under the terms of the Creative Commons Attribution 4.0 License (https://creativecommons.org/licenses/by/4.0/) which permits any use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access page (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 4. — Optimal allocation of individuals to three, four, five or six treatment sequences for a constant attrition rate, $r = 0.2$ , between any two adjacent time points.