1 Public Health Policy Evaluation Unit, School of Public Heath, Imperial College London, London SW7 2AZ, UK. Electronic address: paraskevi.seferidi14@imperial.ac.uk.
2 School of Agriculture and Food, University of Melbourne, Melbourne, VIC, Australia.
3 Nutrition and Metabolism Section, International Agency for Research on Cancer, Lyon, France.
4 Centre for Environmental Policy, Imperial College London, London SW7 2AZ, UK.
5 Department Epidemiology and Biostatistics, School of Public Health, Imperial College London, London SW7 2AZ, UK.
6 Public Health Policy Evaluation Unit, School of Public Heath, Imperial College London, London SW7 2AZ, UK.