This journal provides immediate open access to its content on the principle that making research freely available to the public supports a greater global exchange of knowledge. Authors retain copyright and grant the journal right of first publication with the work simultaneously licensed under a Creative Commons Attribution License that allows others to share the work with an acknowledgement of the work's authorship and initial publication in this journal.
Except where otherwise noted, this item's license is described as This journal provides immediate open access to its content on the principle that making research freely available to the public supports a greater global exchange of knowledge. Authors retain copyright and grant the journal right of first publication with the work simultaneously licensed under a Creative Commons Attribution License that allows others to share the work with an acknowledgement of the work's authorship and initial publication in this journal.