Alexander W Bell, Eric W Deutsch, Catherine E Au, Robert E Kearney, Ron Beavis, Salvatore Sechi, Tommy Nilsson, John J M Bergeron & HUPO Test Sample Working Group

Nat. Methods 6, 423–430 (2009); published online 17 May 2009; corrected after print 29 June 2009.

In the version of this article initially published, the author name Steven A. Carr was spelled incorrectly, and the name of an organization described in the text, the HUPO Proteomics Standards Initiative (PSI), was given incorrectly. These errors have been corrected in the PDF and HTML versions of this article.