1. Pediatric Department "A", Ha'Emek Medical Center, Afula, Rappaport School of Medicine, Haifa, Israel
2. Pediatric Department "A", Ha'Emek Medical Center, Afula, Rappaport School of Medicine, Haifa, Israel; Tel/Fax: 972-4-6495248;
3. Pediatric Cardiology Unit, Ha'Emek Medical Center, Afula, Rappaport School of Medicine, Haifa, Israel