Pradhan, Gauri N.
Chitambar, Shobha D.
Article History
Received: 3 October 2017
Accepted: 1 December 2017
First Online: 6 February 2018
Compliance with ethical standards
:
: This study was funded by the Indian Council of Medical Research (ICMR).
: The authors declare that there was no conflict of interest.
: The study was approved by the Institutional Ethics Committee (Ref no: NIV/IHEC/2013/D-1874) of National Institute of Virology, Pune, India. Informed consent was obtained from parents/guardian of all children included in the study prior to sample collection.