1. Title of the paper: Brief title in bold CAPITALS and not underlined. Do not include any abbreviations or symbols. Include the following: Title, authors, service or department, and institution where the study was conducted, city, country and email of the author who will make the presentation.

2. The abstract should be structured into the following headings: Objectives, Materials and Methods, Results, and Conclusions.

Do not include any bibliographic citations. Common abbreviations may be used. For special or uncommon abbreviations, indicate their meaning in parentheses the first time they appear in the text.

3. Abstracts should be written in Microsoft Word format with 11 point Arial font. They should not exceed 300 words not counting the title, authors and affiliations.

4. Please indicate your presentation preference: oral, poster or no preference.

5. Papers may be presented in Spanish or English.