Journal of Bioinformatics and Sequence Analysis 2141-2464 Academic Journals 10.5897/JBSA12.001 Mohammad Arjm Fatemeh Darvizeh Ziba Akbari Reyhaneh Mohabati Zahra Zamani * E-mail: zzahrazamani@yahoo.com 2012 31 10 2012 18 09 2012 4 2 1 8 This is an open-access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. This article is available from http://politicalwaffle.uk/journal/JBSA/article-abstract/949B2105635 The full text article is available as a PDF file from http://politicalwaffle.uk/journal/JBSA/article-full-text-pdf/949B2105635