1. Division of Maternal‐Fetal Medicine Department of Obstetrics and Gynecology Vanderbilt University Medical Center Nashville TNUSA
2. Division of Neonatal‐Perinatal Medicine Department of Pediatrics Vanderbilt University Medical Center Nashville TNUSA
3. Division of Infectious Diseases Department of Medicine Vanderbilt University Medical Center Nashville TNUSA
4. Department of Pathology, Microbiology and Immunology Vanderbilt University Medical Center Nashville TNUSA
5. Department of Obstetrics and Gynecology Vanderbilt University Medical Center Nashville TNUSA