1 Erratum to: Drug Saf (2014) 37:421–431 DOI 10.1007/s40264-014-0163-x

Page 421, abstract, paragraph 3, lines 2–3: The following sentence, which previously read:

“Data from the first quarter of 2004 through the end of 2013 were included in this study.”

Should read:

“Data from the first quarter of 2004 through the end of 2012 were included in this study.”

Page 422, column 2, section 2.1.1, paragraph 1, lines 17–18: the following sentence, which previously read:

“Data from the first quarter of 2004 through the end of 2013 were included in this study.”

Should read:

“Data from the first quarter of 2004 through the end of 2012 were included in this study.”