Institute for Medical Biomathematics, Bene-Ataroth, Israel.|Institute for Medical Biomathematics, Bene-Ataroth, Israel.|Institute for Medical Biomathematics, Bene-Ataroth, Israel.|Institute for Medical Biomathematics, Bene-Ataroth, Israel.|Institute for Medical Biomathematics, Bene-Ataroth, Israel.