1. Centre for Control of Chronic Conditions, Public Health Foundation of India, Gurugram, India (D.P., K.S., D.K., S.G., V.P.).
2. Centre for Chronic Disease Control, New Delhi, India (D.P., D.J., V.S.A., D.J., P.G., S.G.).
3. London School of Hygiene & Tropical Medicine, UK (D.P., D.P.-M., P.P.).
4. Applied Statistical Methods in Medical Research Group, Universidad Católica San Antonio de Murcia, Spain (D.P.-M.).
5. All India Institute of Medical Sciences, New Delhi (A.R.).
6. dWise IT Solutions, Bangalore, India (P.J.).
7. Directorate of Health Services, Government of Haryana, Panchkula, India (R.S.).
8. Directorate of Health and Family Welfare Services, Government of Karnataka, Bengalore, India (B.G.P.K.).
9. Centre for Control of Chronic Conditions, All India Institute of Medical Science, New Delhi (N.T.).
10. Department of Global Health and Social Medicine, Harvard Medical School, Boston, MA (V.P.).
11. Department of Global Health and Population, Harvard TH Chan School of Public Health, Boston, MA (V.P.).
12. Sangath, Goa, India (V.P.).
13. Wrote the manuscript.