1. Department of Mother, Child, and Adolescent Health, Jerusalem, Israel.
2. Public Health Service, Jerusalem, Israel.
3. Ministry of Health, Jerusalem, Israel.
4. Department of Environmental Health, Jerusalem, Israel.
5. Department of Community Genetics, Sackler School of Medicine, Tel Aviv University, Jerusalem, Israel.
6. Tel Aviv Health District Office, Jerusalem, Israel.
7. Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, Georgia.