Funding for this research was provided by:
Wellcome Trust (070005/Z/02/Z, 064672)
Received: 30 August 2017
Accepted: 11 January 2019
First Online: 25 January 2019
Ethics approval and consent to participate
: Ethical approval was waived because the only human data related to average numbers of people in waiting rooms, or TB cases seen per day.
: Not applicable
: The authors declare that they have no competing interests.
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