1. Pediatric Intensive Care Unit; Schneider Children's Medical Center of Israel; Petach Tikva Israel
2. Infectious Diseases Unit; Schneider Children's Medical Center of Israel; Petach Tikva Israel
3. Sackler Faculty of Medicine; Central Virology Laboratory; Ministry of Health; Chaim Sheba Medical Center; Tel Aviv University; Tel Hashomer Tel Aviv Israel
4. Department of Hematology-Oncology; Schneider Children's Medical Center of Israel; Petach Tikva Israel