1. Department of Transplantation; Rabin Medical Center; Beilinson Hospital; Petach-Tiqwa; Israel
2. Infectious Diseases Service; Schneider Children's Medical Center; Petach-Tiqwa; Israel
3. Department of Pediatric Surgery; Schneider Children's Medical Center; Petach-Tiqwa; Israel
4. Intensive Care Unit; Schneider Children's Medical Center; Petach-Tiqwa; Israel
5. Department of Pediatric Gastroenterology; Schneider Children's Medical Center; Petach-Tiqwa; Israel
6. Tissue Typing Laboratory; Rabin Medical Center; Beilinson Hospital; Petach-Tiqwa; Israel
7. Clinical Microbiology Laboratory; Rambam Health Care Campus; Haifa; Israel