1. Human Genome Sequencing Center, Baylor College of Medicine , Houston, TX 77030, USA
2. Department of Molecular and Human Genetics, Baylor College of Medicine , Houston, TX 77030, USA
3. Departments of Infectious Diseases, Infection Control & Employee Health, The University of Texas MD Anderson Cancer Center , Houston, TX 77030, USA
4. Department of Population Health Sciences, Mays Cancer Center, The University of Texas Health Science Center at San Antonio , San Antonio, TX 78229, USA
5. Department of Molecular Virology and Microbiology, Baylor College of Medicine , Houston, TX 77030, USA
6. Department of Computer Science, Rice University , Houston, TX 77030, USA
7. Department of Pediatrics, Baylor College of Medicine , Houston, TX 77030, USA