CC License
This work is licensed under a Creative Commons Attribution 4.0 International License.
All articles are permanently available online to the public without restrictions or subscription fees. All articles are free to be used, cited, and distributed, on condition that appropriate acknowledgement is included. Authors are the copyright holders of their original contributions. The published article is simultaneously licensed under a Creative Commons (CC) Attribution License. “A CC license is used when an author wants to give people the right to share, use, and build upon a work that they have created” Wikipedia.