Human Genome Sequencing Center, Baylor College of Medicine, Houston, TX, USA.|Human Genome Sequencing Center, Baylor College of Medicine, Houston, TX, USA.|Human Genome Sequencing Center, Baylor College of Medicine, Houston, TX, USA.|DNAnexus, Mountain View, CA, USA.|Human Genome Sequencing Center, Baylor College of Medicine, Houston, TX, USA.|Human Genome Sequencing Center, Baylor College of Medicine, Houston, TX, USA.|Oak Ridge National Laboratory, Oak Ridge, TN, USA.|Human Genome Sequencing Center, Baylor College of Medicine, Houston, TX, USA. fyu@bcm.edu.