1. Internal Medicine Intensive Care Unit, Soroka University Medical Center, Ben-Gurion University of the Negev, Beer-Sheva, Israel.
2. Clinical Microbiology Laboratory, Rambam Medical Center, Haifa, Israel.
3. Clinical Microbiology Laboratory, Soroka University Medical Center, Ben-Gurion University of the Negev, Beer-Sheva, Israel.
4. Infectious Diseases Unit, Soroka University Medical Center, Ben-Gurion University of the Negev, Beer-Sheva, Israel.