https://curia.europa.eu/jcms/upload/docs/application/pdf/2021-11/cp210197en.pdf
https://dgap.org/system/files/article_pdfs/DPC%20-%20fully%20study%202023%20-%20final.pdf
https://www.occrp.org/en/loosetobacco/blowing-unsmoke/unsmoking-for-health
https://www.mckinsey.com/mgi/our-research/pixels-of-progress-introduction