English extended abstract Before the final acceptance, the authors must attach their extended abstract (Farsi and English) along with the signature of an approved English teacher. The abstract should comprehensively include introduction, materials and methods, results, as well as discussion and conclusion. The abstract of the article should clearly state the topic and results of the research work done. About 75% of the extended abstract should include the results, discussion and conclusion section. An extended abstract should be prepared in at least 700 words and a maximum of 1000 words.