1. Infectious Disease Unit, Emek Medical Center, Afula, Israel.
2. Infectious Disease Unit, Baruch Padeh Medical Center, Poriya, Israel.
3. Faculty of Medicine in the Galilee, Bar Ilan University, Israel.
4. Department of Surgery A, Emek Medical Center, Afula, Israel.
5. Technion–Rappaport Faculty of Medicine, Haifa, Israel.
6. Department of Community Medicine and Epidemiology, Carmel Medical Center, Haifa, Israel.
7. Clinical Microbiology Laboratory, Emek Medical Center, Afula, Israel.
8. Clinical Microbiology Laboratory, Baruch Padeh Medical Center, Poriya, Israel.