1. Department of Obstetrics and Gynecology; Texas Tech University Health Sciences Center at the Permian Basin; Odessa TX USA
2. Department of Obstetrics and Gynecology; University of Tennessee Health Science Center; Memphis TN USA
3. Department of Pathology and Laboratory Medicine; University of Tennessee Health Science Center; Memphis TN USA
4. Department of Pathology; University of Texas Health Science Center at San Antonio; San Antonio TX USA
5. Division of Biostatistics and Epidemiology; Department of Preventive Medicine; University of Tennessee Health Science Center; Memphis TN USA
6. Department of Dermatology; University of Alabama at Birmingham; Birmingham AL USA
7. Division of Pediatric Cardiology; University of Tennessee Health Science Center; Memphis TN USA
8. VA Medical Center; Birmingham AL USA
9. Southwest National Primate Research Center; Texas Biomedical Research Institute; San Antonio TX USA