Pettit, K E
Hull, A D
Korty, L
Jones, M C
Pretorius, D H
Article History
Received: 28 November 2013
Revised: 21 April 2014
Accepted: 23 April 2014
First Online: 29 May 2014
Competing interests
: ADH and LK have previously been paid consultants for the Sequenom Center for Molecular Medicine (San Diego, CA). The remaining authors declare no conflict of interest.