Each manuscript must be accompanied by a statement that it has been neither published nor submitted for publication, in whole or in part, either in a serial, professional journal or as a part in a book which is formally published and made available to the public.

For the mutual benefit and protection of authors and publishers it is necessary that authors provide formal written consent to publish and transfer of copyright before the publication of the article.

Previous to the publication of the paper, the authors must download this form, print and fill it. It should then be scanned and sent to

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