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. 2022 Apr 6;12(4):e057296. doi: 10.1136/bmjopen-2021-057296

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© Author(s) (or their employer(s)) 2022. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

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Flow chart of the surveillance procedures for the missing piece study. GAS, group A Streptococcus; GCS, group C Streptococcus; GGS, group G Streptococcus; REDCap, Research Electronic Data Capture.