Introduction

License

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

1. a) Authors retain copyright and grant the journal the right of first publication. The work is simultaneously licensed under the Creative Commons Attribution License, which allows the work to be shared as long as the author and the initial publication in this journal are appropriately credited.
2. b) Authors are authorized to sign additional contracts for non-exclusive distribution of the version of the work published in this journal (e.g., to publish it as a book chapter), as long as the author and the initial publication in this journal are appropriately credited.
3. c) Authors are allowed and encouraged to publish and distribute their work online (e.g. on their personal webpage) after the editorial process, for this can generate productive changes as well as increase the impact and citation of the work. See The Effect of Open Access Publications.