1. Inequalities in Cancer Outcomes Network, Department of Non‐communicable Disease Epidemiology London School of Hygiene and Tropical Medicine London UK
2. Department of Epidemiology and Biostatistics Tehran University of Medical Sciences Tehran Iran
3. Department of Epidemiology University of North Carolina at Chapel Hill Chapel Hill North Carolina USA
4. Carolina Population Center University of North Carolina at Chapel Hill Chapel Hill North Carolina USA
5. Non‐communicable Disease and Cancer Epidemiology Group, Instituto de Investigacion Biosanitaria de Granada (ibs.GRANADA), Andalusian School of Public Health University of Granada Granada Spain
6. Biomedical Network Research Centers of Epidemiology and Public Health (CIBERESP) Madrid Spain