Department of Computer Science, National Center for Biotechnology in the Negev, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel.|Department of Computer Science, National Center for Biotechnology in the Negev, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel.|Department of Computer Science, National Center for Biotechnology in the Negev, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel.