1. Clinical Microbiology Laboratory, Baruch Padeh Medical Center, Poriya, Affiliated with the Faculty of Medicine, Bar Ilan University, Galilee, Israel.
2. Gastrointestinal Unit, Baruch Padeh Medical Center, Poriya, Affiliated with the Faculty of Medicine, Bar Ilan University, Galilee, Israel.
3. Pharmacy Services, Baruch Padeh Medical Center, Poriya, Affiliated with the Faculty of Medicine, Bar Ilan University, Galilee, Israel.
4. Pediatric Gastrointestinal Unit, Baruch Padeh Medical Center, Poriya, Affiliated with the Faculty of Medicine, Bar Ilan University, Galilee, Israel.