About the Authors

Raji Mathew Varghese, Jacob Mammen Puliyel
Department of Neonatology, St Stephens Hospital, Delhi, India

Vishnubhatla Sreenivas
Department of Biostatistics, All India Institute of Medical Sciences, New Delhi, India

Sara Varughese
Christoffel-Blindenmission South Asia Regional Office, Delhi, India

Corresponding Author


Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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.