Correction: How Much Can the USA Reduce Health Care Costs by Reducing Smoking?

[This corrects the article DOI: 10.1371/journal.pmed.1002021.].

It was reported incorrectly that there was an average of $6.3 billion reduction (in 2012 dollars) in health care expenditure the following year. The correct average is $63 billion. The publisher apologizes for the error.