1. Department of Infectious Diseases, University of Maryland St. Joseph Medical Center, Towson, Maryland, USA
2. Department of Obstetrics, Gynecology and Reproductive Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas, USA
3. Section of Infectious Diseases, Department of Medicine, Baylor College of Medicine, Houston, Texas, USA
4. Center for Innovations in Quality, Safety, and Effectiveness (IQuESt), Section of Health Services Research, Department of Medicine, Michael E. DeBakey VA Medical Center and Baylor College of Medicine, Houston, Texas, USA