Supplementary Editions 1 and 2

Authors who publish in this journal agree to the following terms:

• Authors retain the copyright and grant the journal the right of first publication, with work simultaneously licensed under the Creative Commons Attribution License BY-NC which allows the sharing of the work with acknowledgment of the authorship of the work and initial publication in this journal.
• Authors are authorized to enter into additional contracts separately for non-exclusive distribution of the version of the work published in this journal (eg, publishing in institutional repository or book chapter), with acknowledgment of authorship and initial publication in this journal.
• Authors are allowed and encouraged to post and distribute their work online (eg, in institutional repositories or on their personal page) at any point before or during the editorial process, as this can bring about productive change as well as increase impact and impact. citation of published work (See The Effect of Free Access).