Instructions for writing abstracts

• Written in English
• Title capitalized, maximum 250 characters;
• Authors' names, written on one line, respecting the order: first name followed by last name (do not use professional/academic titles)
• The affiliation (section, institution, city, country) of both the first author and co-authors. The first letter of each word must be capitalized
• The text itself will be a maximum of 300 words (maximum 2000 characters, not including title, authors and affiliation)
• Insert a line containing 3 - 5 keywords
• The text itself should follow the known structure: introduction, material and methods, results, conclusions (avoid "results will be presented"); the text should contain sufficient detail to justify the conclusion
• Introduction, Material and method, Results and conclusions
• Tables, graphs and photographs are not acceptable in the abstract
• Abbreviations will be explained when first appearing in the text