1. Department of Molecular Virology and Microbiology, Baylor College of Medicine, One Baylor Plaza, Houston, Texas 77030
2. Department of Pathology and Laboratory Medicine
3. Human Genome Sequencing Center, Baylor College of Medicine, One Baylor Plaza, Houston, Texas
4. Department of Microbiology and Molecular Genetics, University of Texas—Houston Medical School, 6431 Fannin Street, Houston, Texas 77030