About the Authors

Christopher Millett

c.millett@imperial.ac.uk

Affiliations School of Public Health, Imperial College, London, United Kingdom, South Asia Network for Chronic Disease, Public Health Foundation of India, New Delhi, India

Sutapa Agrawal

Affiliation South Asia Network for Chronic Disease, Public Health Foundation of India, New Delhi, India

Ruth Sullivan

Affiliation Department of Non-communicable Disease Epidemiology, London School of Hygiene & Tropical Medicine, London, United Kingdom

Mario Vaz

Affiliation St. John's Research Institute, Bangalore, India

Anura Kurpad

Affiliation St. John's Research Institute, Bangalore, India

A. V. Bharathi

Affiliation Indira Gandhi National Open University, Bangalore, India

Dorairaj Prabhakaran

Affiliation Centre for Chronic Disease Control, New Delhi, India

Kolli Srinath Reddy

Affiliation Public Health Foundation of India, New Delhi, India

Sanjay Kinra

Affiliation Department of Non-communicable Disease Epidemiology, London School of Hygiene & Tropical Medicine, London, United Kingdom

George Davey Smith

Affiliation School of Social and Community Medicine, University of Bristol, Bristol, United Kingdom

Shah Ebrahim

Affiliations South Asia Network for Chronic Disease, Public Health Foundation of India, New Delhi, India, Department of Non-communicable Disease Epidemiology, London School of Hygiene & Tropical Medicine, London, United Kingdom

for the Indian Migration Study group

Membership of the Indian Migration Study group is provided in the Acknowledgments

Competing Interests

AK has provided consultancy for McCain Foods, and the honoraria went entirely to charity. GDS is a member of the PLOS Medicine Editorial Board. All other authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CM SA SE. Performed the experiments: CM SA SE. Analyzed the data: SA. Wrote the first draft of the manuscript: CM. Contributed to the writing of the manuscript: CM SA RS MV AK AVB DP KSR SK GDS SE. ICMJE criteria for authorship read and met: CM SA RS MV AK AVB DP KSR SK GDS SE. Agree with manuscript results and conclusions: CM SA RS MV AK AVB DP KSR SK GDS SE.