1. Department of Pediatrics, Baylor College of Medicine, Houston, Texas2Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, Texas
2. Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, Texas
3. Department of Pediatrics, Baylor College of Medicine, Houston, Texas3Woman’s OB/GYN Specialists, Houston, Texas
4. Private obstetric practice, Houston, Texas
5. Department of Obstetrics and Gynecology, Duke University School of Medicine, Durham, North Carolina
6. Department of Pediatrics, Duke University School of Medicine, Durham, North Carolina
7. Group Health Research Institute, Seattle, Washington
8. Seattle Children’s Research Institute, Department of Pediatrics, University of Washington, Seattle
9. Department of Pediatrics, Baylor College of Medicine, Houston, Texas
10. EMMES Corporation, Rockville, Maryland