1. Department of Obstetrics and Gynecology; Georgia Regents University; Augusta GA USA
2. Center for Women's Health Research; Department of Obstetrics and Gynecology; Meharry Medical College; Nashville TN USA
3. Department of Biochemistry & Cancer Biology; Meharry Medical College; Nashville TN USA
4. Division of Environmental Health Sciences; College of Public Health and Department of Neuroscience; College of Medicine; The Ohio State University; Columbus OH USA