ELFE
The Elfe survey follows children from the day they were born in 2011. The survey collects socio-economic, environmental and family information on an annual basis.
For more information, please visit the ELFE website
The Elfe survey follows children from the day they were born in 2011. The survey collects socio-economic, environmental and family information on an annual basis.
For more information, please visit the ELFE website