Abstract text may not exceed 300 words (does not include title, authors or affiliations).
Type directly in the boxes below or prepare in a word processing program and then copy and paste the abstract into the form.
There is a limit of 6 authors and 3 different affiliations. Each affiliation is limited to 100 characters (this includes spaces).
We recommend that abstracts contain the following four section headings: Background, Materials and methods, Results, and Conclusions. Each heading should start a newline.
Table and graphs can NOT be pasted into the abstract field.
Please upload JPG image files only. Do not upload EXCEL documents.