The Editor-in-Chief has retracted this article (Kiakojuri et al. 2015) because validity of the content of this article cannot be verified. This article showed evidence of peer review and authorship manipulation. Authors Davood Kiakojuri, Shahaboddin Shamshirband and Nor Badrul Anuar do not agree to this retraction. Author Johari Abdullah has not responded to any correspondence from the editor or publisher about this retraction.