Correction to: European Journal of Human Genetics (2009) 17, 1111; doi:10.1038/ejhg.2009.66; published online 29 April 2009

Since the publication of the above paper, the authors have noticed that the authors' affiliations are wrong.

The correct affiliations are listed below.

Christine Patch1,2, Jorge Sequeiros1,3 and Martina C Cornel1,4

1Public and Professional Policy Committee of the European Society of Human Genetics, Vienna, Austria; 2Department of Clinical Genetics, NIHR Biomedical Research Centre, Guys and St Thomas' NHS Foundation Trust, Guys Hospital, London, UK; 3IBMC – Instituto de Biologia Molecular e Celular, and ICBAS, University of Porto, Porto, Portugal; 4Community Genetics, Department of Clinical Genetics/EMGO Institute, VU University Medical Center, Amsterdam, The Netherlands

The authors would like to apologise for this mistake.