Funding for this research was provided by:
Text and Data Mining valid from 2019-03-05
Received: 7 January 2018
Accepted: 18 February 2019
First Online: 5 March 2019
: The authors declare that they have no competing interest.
: This study was approved by CUHAS/BMC-Research and publications committee (BREC/001/037/2014). Permission to conduct the study was obtained from BMC and SRRH management committee. Written informed consent was obtained from parents/guardians of the study participants. Verbal assent was obtained from all of the study participants because they were children. Written consent was obtained from the parent or legal guardian in the presence of an impartial witness.
: Not applicable
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.