1. Department of Social and Environmental Health Research, London School of Hygiene & Tropical Medicine, 15-17 Tavistock Place, London WC1H 9SH, United Kingdom
2. Mannheim Institute of Public
Health, Social and Preventive Medicine, University of Heidelberg, Heidelberg, Germany
3. Instituto de Saúde Coletiva, Federal University of Bahia, Salvador, Brazil
4. Elsie Bertram Diabetes Centre, Norfolk and Norwich University Hospital NHS Foundation Trust, Norwich, United Kingdom
5. Department
of Community Medicine, West Virginia University School of Medicine, West Virginia, United States