Nature Publishing Group (NPG) haveannouncedthat they will be launching a fully open access journal – Scientific Reports – in July 2011. Funded entirely through article process charges (1350 per published article), Scientific Reportswill publish "original research papers of interest to specialists within a given field in the natural sciences.
A Sat, study studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: