Center for Biotechnology (CeBiTec), Bielefeld University, Bielefeld, Germany.|Center for Biotechnology (CeBiTec), Bielefeld University, Bielefeld, Germany.|Center for Biotechnology (CeBiTec), Bielefeld University, Bielefeld, Germany.|Center for Biotechnology (CeBiTec), Bielefeld University, Bielefeld, Germany.