A form of conflict of interest is an agreement that the author (s) of an article declare that in regard with the submitted article and ethics of the publication, they avoid plagiarism, misconduct, forgery or duplication, and there is no commercial interest in this, and the authors have not received any payment for their work. The conflict of interest form shows how the text of the article was prepared and presented by the authors. The responsible author signs and approves this form on behalf of other authors and declares the originality of its content. The responsible author also states that this work has not been published elsewhere before and has not been presented to another publication at the same time. Also, all rights to use the content, tables, images, etc. have been assigned to the publisher.