Correction to: Eur J Hum Genet advance online publication, 6 January 2010; doi:10.1038/ejhg.2009.231

Since the publication of the above paper, the authors have identified two errors:

(1) In the Abstract, on line 12, ‘9200–5600 kya’ should be ‘9.2–5.6 kya’.

(2) On page 7, first column, line 37, ‘7000 kya’ should be ‘7.0 kya’.

The authors would like to apologise for this mistake.