Ai J, Taylor KM, Lisko JG, et al. Menthol levels in cigarettes from eight manufacturers. Tobacco Control 2018;27:335-336. doi: 10.1136/tobaccocontrol-2016-053543.

The research letter “Menthol levels in cigarettes from eight manufacturers” reports concentrations of menthol in whole cigarettes from eight manufacturers in the United States. As our research has progressed, we have re-examined our results and have identified an error in the calculations that were used to determine the reported menthol concentrations. The analytical method used to quantitate menthol concentrations in whole cigarettes was originally …