Stanford, Stephanie M.
Bottini, Nunzio
Article History
First Online: 8 July 2014
Change Date: 22 July 2014
Change Type: Correction
Change Details: In the original version of this article published online, the text for the section entitled 'Psoriatic arthritis' was missing. This omission has now been corrected in the HTML and PDF versions of the article.
Competing interests
: The authors declare no competing financial interests.