Center for Human Genome Variation, Duke University School of Medicine, Durham, North Carolina 27708, USA. d.ge@duke.edu|Center for Human Genome Variation, Duke University School of Medicine, Durham, North Carolina 27708, USA. d.ge@duke.edu|Center for Human Genome Variation, Duke University School of Medicine, Durham, North Carolina 27708, USA. d.ge@duke.edu|Center for Human Genome Variation, Duke University School of Medicine, Durham, North Carolina 27708, USA. d.ge@duke.edu|Center for Human Genome Variation, Duke University School of Medicine, Durham, North Carolina 27708, USA. d.ge@duke.edu|Center for Human Genome Variation, Duke University School of Medicine, Durham, North Carolina 27708, USA. d.ge@duke.edu|Center for Human Genome Variation, Duke University School of Medicine, Durham, North Carolina 27708, USA. d.ge@duke.edu|Center for Human Genome Variation, Duke University School of Medicine, Durham, North Carolina 27708, USA. d.ge@duke.edu|Center for Human Genome Variation, Duke University School of Medicine, Durham, North Carolina 27708, USA. d.ge@duke.edu|Center for Human Genome Variation, Duke University School of Medicine, Durham, North Carolina 27708, USA. d.ge@duke.edu|Center for Human Genome Variation, Duke University School of Medicine, Durham, North Carolina 27708, USA. d.ge@duke.edu|Center for Human Genome Variation, Duke University School of Medicine, Durham, North Carolina 27708, USA. d.ge@duke.edu|Center for Human Genome Variation, Duke University School of Medicine, Durham, North Carolina 27708, USA. d.ge@duke.edu|Center for Human Genome Variation, Duke University School of Medicine, Durham, North Carolina 27708, USA. d.ge@duke.edu