title: Electronic cigarettes: proceed with great caution.
authors.affiliation: Professor of European Public Health, London School of Hygiene and Tropical Medicine, London, UK, Martin.McKee@lshtm.ac.uk.
authors.forename: Martin
authors.initials: M
authors.lastname: McKee
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D066300:Electronic Nicotine Delivery Systems / Q000592:standards*; D005260:Female; D040261:Harm Reduction; D006291:Health Policy; D006801:Humans; D008297:Male; D008875:Middle Aged; D012307:Risk Factors; D016540:Smoking Cessation / Q000379:methods*; D055815:Young Adult