- Iceland direcorate of Health Newsletter, reported in Iceland Review. Available at:http://icelandreview.com/news/2018/05/03/vaping-linked-decrease-cigarette-smoking
- Daily use
- Data cross-referenced where possible using the following sources :1. Vapetrotter website. Available at: https://www.vapetrotter.com/laws/ ; 2. Global tobacco control website. Available at:https://www.globaltobaccocontrol.org/node/14052 ; 3. Tobacco Control Laws website. Available at : https://www.tobaccocontrollaws.org/legislation/
- New laws being implemented in February 2019.