Istituto di Ricerche Farmacologiche Mario Negri IRCCS - Department of Environmental Health Sciences, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Sapienza University of Rome - National Research Council (CNR) of Italy, Tobacco Free Research Institute (Ireland), Imperial College London, Prevention and Research Institute (ISPRO) - Oncologic Network, Agència de Salut Pública de Barcelona, Technical University of Cartagena (UPCT), Sapienza University of Rome - National Research Council (CNR) of Italy, University of Pavia - Department of Public Health, Experimental and Forensic Medicine, Government of the Community of Madrid - Pneumology Service, Institut Català d'Oncologia, Maastricht University, University of Crete, Institut Català d'Oncologia and Independent

Institut Català d'Oncologia, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, affiliation not provided to SSRN, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Institut Català d'Oncologia, affiliation not provided to SSRN, Hospital Duran i Reynals (ICO) - Catalan Institute of Oncology, Government of the Community of Madrid - Pneumology Service, University of Stirling, University of Stirling - Institute for Social Marketing and Health, Agència de Salut Pública de Barcelona, Institut Català d'Oncologia and Istituto di Ricerche Farmacologiche Mario Negri IRCCS - Department of Environmental Health Sciences