The abstract must be written as a MS Word Document (*.doc) and sent to the e-mail address: vmareckova@bvv.cz and must conform to the following guidelines: Title of file: Surname_title of paper.doc Length: not more than 3000 characters including spaces Margins: 2.5 cm on all four sides Font: Times New Roman 12-point Spacing: single spacing Title of abstract: 12-point font, capital letters, bold print Author(s): 12-point font, normal text, (abbreviation of first name and whole surname without academic degrees, in the order given by the authors, underlining the presenting author) Affiliation: 12-point font, italics Body of abstract: 12-point font, normal text Structured layout: introduction, methods, results, conclusion Listing references is not prescribed and should be provided only if necessary. Figures and graphs are not prescribed. If the study was funded (e.g. with a grant) you can refer to this fact below the abstract (12-point font, italics). The deadline for submission of abstracts is 31 August 2009