Text and Data Mining valid from 2019-04-01
Received: 3 October 2018
Accepted: 21 March 2019
First Online: 1 April 2019
Ethics approval and consent to participate
: This paper was based on secondary data from the VITIMES with all identifying information removed. Formal permission to use the data was obtained from National Tuberculosis Control Programme.
: Not applicable.
: The authors declare that they have no competing interests.