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. 2020 Nov 27;10(11):e039895. doi: 10.1136/bmjopen-2020-039895

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© Author(s) (or their employer(s)) 2020. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

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99DOTS randomisation and enrolment schedule. The trial includes 18 health facilities divided into six equal size blocks (three health facilities per block). The health facilities all continue routine tuberculosis (TB) treatment supervision in month 1, begin switching to the 99DOTS-based intervention strategy in month 2 (one block per month in a random order), and all use the intervention strategy in month 8.