About the Authors
Department of Neonatology, St Stephens Hospital, Delhi, India
Department of Biostatistics, All India Institute of Medical Sciences, New Delhi, India
Christoffel-Blindenmission South Asia Regional Office, Delhi, India
The authors have declared that no competing interests exist.
Conceived and designed the experiments: RMV JMP SV. Performed the experiments: RMV SV. Analyzed the data: VS JMP. Contributed reagents/materials/analysis tools: RMV JMP SV. Wrote the paper: RMV VS JMP SV.