1. Center for Health Systems Research, The National Institute of Public Health, Cuernavaca, Morelos, Mexico
2. The George Institute for Global Health, UNSW, Sydney, New South Wales, Australia
3. The George Institute for Global Health, School of Public Health, Imperial College London, London, Scotland, UK
4. Centre for Health Economics and Policy Innovation, Business School, Imperial College London, London
5. Directorate of Sociodemographic Studies and Prospective. The National Population Council of Mexico, Mexico City, Mexico