Nagarajan, Karikalan
Palani, Bharathidasan
Basha, Javeed
Jayabal, Lavanya
Muniyandi, Malaisamy
Article History
Received: 14 September 2021
Accepted: 3 May 2022
First Online: 16 May 2022
Competing interests
: The authors declare no competing interests.
: This study was approved by the Institutional Ethics Committee of National Institute for Research in Tuberculosis (NIRT), Indian Council of Medical Research (ICMR), Chennai (IEC No: 2017018). The study was conducted as per the Ethical Guidelines for Biomedical Research on Human Participants, 2017.
: All respondents received written and oral explanations of the study and signed an informed consent form before the interview.