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• One abstract with a string of keywords in English, regardless the language of the article 
• A title or translated title in English, regardless the language of the article 
• Author affiliation(s) with, preferably, the author(s)' position within their institution and at least their department and/or faculty, institution name, city* and countrycountry 
• Contact details (an e-mail address is the minimum requirement; in some countries fax is still customary) 

_{*) Including the state in some English speaking nations (US, Canada, Australia)}

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