1 Erratum to: J Comput Electron DOI 10.1007/s10825-014-0591-y

According to Prof. Faycal Djeffal, he is not a co-author of this paper. On his request, his authorship is withdrawn via this erratum. He had no contribution to the writing process of this paper. The authorship of this paper is attributed only to Dr. Nacereddine Lakhdar.