1. Nell Hodgson Woodruff School of Nursing, Emory University, Atlanta, Georgia, USA.
2. Department of Gynecology and Obstetrics, Emory University School of Medicine, Atlanta, Georgia, USA.
3. Division of Infectious Diseases, Emory University School of Medicine, Atlanta, Georgia, USA.
4. Office of the Senior Vice President of Research, Emory University, Atlanta, Georgia, USA.