European Journal of Human Genetics (2007) 15, 999–1011. doi:10.1038/sj.ejhg.5201883

Correction to: European Journal of Human Genetics (2007) 15, 999–1011. doi:10.1038/sj.ejhg.5201883; published online 4 July 2007

An amended Table 1 is available online as the original formatting meant that some study information and findings were not clearly linked to the appropriate manuscript.

Table 1