1. Cook County Health/Hektoen Institute of Medicine, Chicago, Illinois, USA.
2. Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama, USA.
3. Montefiore Hospital & Albert Einstein College of Medicine, Bronx, New York, USA.
4. Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, North Carolina, USA.
5. Department of Medicine, Georgetown University, Washington, District of Columbia, USA.
6. Department of Obstetrics, Gynecology & Reproductive Sciences, University of California San Francisco, San Francisco, California, USA.
7. Department of Epidemiology, Johns Hopkins University Bloomberg School of Public Health, Baltimore, Maryland, USA.
8. State University of New York (SUNY) Health Sciences University, Brooklyn, New York, USA.
9. Division of Infectious Diseases, Department of Medicine, Emory University School of Medicine, Atlanta, Georgia, USA.
10. Division of Infectious Diseases, University of Miami Miller School of Medicine, Miami, Florida, USA.
11. Department of Obstetrics & Gynecology, Washington University School of Medicine, St. Louis, Missouri, USA.