Electronic cigarettes and subsequent use of cigarettes in young people: An evidence and gap map.
Conde M., Tudor K., Begh R., Nolan R., Zhu S., Kale D., Jackson S., Livingstone-Banks J., Lindson N., Notley C., Hastings J., Cox S., Pesko MF., Thomas J., Hartmann-Boyce J.
BACKGROUND AND AIMS: The use of e-cigarettes may influence later smoking uptake in young people. Evidence and gap maps (EGMs) are interactive on-line tools that display the evidence and gaps in a specific area of policy or research. The aim of this study was to map clusters and gaps in evidence exploring the relationship between e-cigarette use or availability and subsequent combustible tobacco use in people aged