Distributed Proofreaders became an official Project Gutenberg site in 2002. Although there is necessarily some overlap, proofreaders typically lack any real editorial or managerial authority. This effort is spearheaded by Project Gutenberg combined with Distributed Proofreaders. Human proofreaders usually check the output for errors. Both scopists and proofreaders work closely with the court reporter to ensure an accurate transcript. The would-be word was not questioned or corrected by proofreaders. DsbC and DsbG act as proofreaders of the disulfide bonds that are formed. Under these conditions, proofreaders tend to see only what they want to see. In January 2004, Distributed Proofreaders Europe started, hosted by Project Rastko, Serbia. Beatus Rhenanus served as one of Estienne's proofreaders. I mean, they certainly have to have enough proofreaders to see it. Distributed Proofreaders Canada was launched in December 2007 by David Jones and Michael Shepard. On 9 March 2007, Distributed Proofreaders announced completing more than 10,000 titles.