title: Correction. Heavier smoking may lead to a relative increase in waist circumference: evidence for a causal relationship from a Mendelian randomisation meta-analysis.
authors.forename: R W
authors.initials: RW
authors.lastname: Morris
authors.forename: A E
authors.initials: AE
authors.lastname: Taylor
authors.forename: M E
authors.initials: ME
authors.lastname: Fluharty
keywords: EPIDEMIOLOGY; GENETICS