1. Department of Pediatrics, Hadassah Hebrew University Medical Center, Mount Scopus, Jerusalem, Israel
2. Mutual Pharmaceutical Company, Inc., now part of Takeda Pharmaceuticals USA Inc. Deerfteld, IL, USA
3. Rambam Medical Centre, Haifa, Israel
4. Department of Medicine, Hadassah Hebrew University Hospital, Jerusalem, Israel
5. Shaare Zedek Medical Center, Jerusalem, Israel
6. Sheba Medical Center, Tel Hashomer, Israel
7. Department of Pediatrics, Hacettepe University, Ankara, Turkey
8. Istanbul University, Cerrahpasa Medical Center, Istanbul, Turkey