1 University of Strathclyde Institute of Global Public Health, International Prevention Research Institute, Espace Européen, Building G, Allée Claude Debussy, Ecully, Lyon 69130, France philippe.autier@i-pri.org.
2 University of Strathclyde Institute of Global Public Health, International Prevention Research Institute, Espace Européen, Building G, Allée Claude Debussy, Ecully, Lyon 69130, FranceInternational Prevention Research Institute, 95 Cours Lafayette, Lyon 69006, France.
3 International Prevention Research Institute, 95 Cours Lafayette, Lyon 69006, France.
4 Institute of Cancer Policy, Kings Health Partners Cancer Centre, Guy's Campus, London SE1 9RT, UK.