Received: 13 February 2018
Accepted: 30 January 2019
First Online: 6 February 2019
Ethics approval and consent to participate
: The present investigation was approved by the Institutional Ethics Committee of CUST Islamabad and Provincial Tuberculosis Reference Laboratory (PTRL) KPK under reference number PTP/PTRL-402/16. Prior to the study, all the participants provided a written informed consent. However, the results were not linked back to individual patients.
: Not applicable.
: The authors declare that they have no competing interests.
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