1. Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel.
2. Hemato-Oncology Department, and Soroka University Medical Center, Beer-Sheva, Israel.
3. Pediatric Intensive Care Unit, Soroka University Medical Center, Beer-Sheva, Israel.
4. Government Central Laboratories, Ministry of Health, Jerusalem, Israel.
5. Microbiology Laboratory, and Soroka University Medical Center, Beer-Sheva, Israel.
6. The Pediatric Infectious Disease Unit, Soroka University Medical Center, Beer-Sheva, Israel.