Article History
First Online: 9 January 2015
Change Date: 9 January 2015
Change Type: Erratum
Change Details: In the version of this article initially published, the cost of bringing a drug to market was incorrectly stated as $2.3 billion. The correct amount, as per the Tufts study referenced in the article, is $2.56 billion. The error has been corrected in the HTML and PDF versions of the article.
Free to read: This content has been made available to all.