All articles published in EJMS are licensed under the Creative Commons Attribution License 4.0 (CC-BY 4.0) International License [https://creativecommons.org/licenses/by/4.0/] that allows others to copy, use, print, share, modify, and distribute the content of the article even for commercial purpose as long as the original authors and the journal are properly cited. No permission is required from the author/s or the publishers. Appropriate attribution can be provided by simply citing the original article. More information about the terms and conditions, privacy policies, and copyrights can be found on the web page of the Creative Commons license privacy policy [https://creativecommons.org/privacy/]

In the following, we have provided the licenses’ summaries as they can be found on the website of Creative Commons. The CC BY 4.0 license provides the following summary (where ‘you’ equals ‘the user’):
You are free to:

• Share — copy and redistribute the material in any medium or format.
• Adapt — remix, transform, and build upon the material for any purpose, even commercially.
• The licensor cannot revoke these freedoms as long as you follow the license terms. Under the following terms:
• Attribution — you must give appropriate credit, provide a link to the license, and indicate if changes were made.
• You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
• No additional restrictions — you may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.

For further details regarding the CC BY 4.0 license, please visit this website: http://creativecommons.org/licenses/by/4.0/).