This is an open access journal with all the content freely available without charge to the users. Users are allowed to read, download, copy, distribute, print, search, or link to the full texts of the articles in this journal without asking prior permission from the publisher or the author. This is in accordance with the Budapest Open Access Initiative (BOAI) definition of open access.

The only constraint on reproduction and distribution, and the only role for copyright in this domain, should be to give authors control over the integrity of their work and the right to be properly acknowledged and cited.

We accepted Open Access-policy because of Higher Citation Impact of open access articles due to their high publicity and availability. It has been demonstrated that open access publications are more frequently cited!

This work is licensed under a Creative Commons Attribution 4.0 International License.