The young authors, not older than 35 years, being first author could take part in Young Authors’ Competition (YAC) for Best Presentation.Participants who have being ranked first in the previous edition of the YAC are not allowed to take part in the Young Authors’ Competition.The authors should submit full text of the presentation of up to 6 pages. The paper should contain: 1) paper title, 2) name, address, phone and e-mail of the first author, 3) authors’ names and full address, 4) five keywords in order of importance, 5) abstract, and 6) full text.The presentations should state clearly background, objectives, results and conclusions.The Competition Commission will review and evaluate the presented papers. You will be informed about the acceptance of your paper for oral presentation at the conference. The rest of the papers could participate in the competition for best Poster award. The best presentations nominated by both, the conference participants and Competition Commission, will be awarded.The evaluation criteria in the competition are: correspondence with the conference title, topicality, clear statement of objectives, subject, results and conclusions, understandability, attractiveness and visualization, balance between text and images.