1. Beterem National Center for Child Safety and Health, Petach Tiqva, Israel
2. School of Public Health, Haifa University, Haifa, Israel
3. Pediatric Primary Care Unit, Ben-Gurion University of the Negev, Beer-Sheva, Israel
4. Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
5. Division of Pediatrics, Soroka University Medical Center, Beer-Sheva, Israel
6. National Institute of Child Health and Human Development, Faculty of Health Sciences, Ben Gurion University of the Negev, Beer-Sheva, Israel
7. Center for Multidisciplinary Research in Aging, Faculty of Health Sciences, Ben Gurion University of the Negev, Beer-Sheva, Israel
8. Office of the Medical Director, Division for Mental Retardation, Ministry of Social Affairs, Jerusalem, Israel