Funding for this research was provided by:
JSPS Grants-in-Aids for Scientific Research (20K10491)
Article History
Received: 16 July 2020
Accepted: 15 December 2020
First Online: 9 January 2021
Ethics approval and consent to participate
: Ethical clearance obtained from the Institution al Review Board of the Research Institute of Tuberculosis (reference number RIT/IRB 2020–08). Informed consent as deemed unnecessary as the JTBS data does not include case identifiers, as according to the Ethical Guidelines for Epidemiological Research established by Ministry of Education, Culture, Sports, Science and Technology and Ministry of Health, Labour and Welfare of Japan.
: Not applicable.
: The authors declare that they have no competing interests.