Journal of Clinical Medicine and Research 2141-2235 Academic Journals 10.5897/JCMR12.005 Cem Cankaya MD Ercan Gunduz MD Selim Doganay MD Ozkan Ulutas * E-mail: cem_cankaya@yahoo.com 2012 31 07 2012 20 04 2012 4 6 79 83 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/JCMR/article-abstract/656C8EF4931 The full text article is available as a PDF file from http://politicalwaffle.uk/journal/JCMR/article-full-text-pdf/656C8EF4931