About the Authors

Beena Varghese


Affiliation Public Health Foundation of India, New Delhi, India

Reetabrata Roy

Affiliation London School of Hygiene and Tropical Medicine, London, United Kingdom

Somen Saha

Affiliations Public Health Foundation of India, New Delhi, India, Indian Institute of Public Health Gandhinagar, Gujarat, India

Sidsel Roalkvam

Affiliation Centre for Development and Environment, University of Oslo, Oslo, Norway

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: BV RR SR. Performed the experiments: BV RR SS. Analyzed the data: BV RR SS SR. Contributed reagents/materials/analysis tools: BV RR SS SR. Wrote the paper: BV RR SS SR.