1. Department of Obstetrics, Gynecology, and Reproductive Sciences; University of Pittsburgh; Pittsburgh PA USA
2. Magee-Womens Research Institute; Pittsburgh PA USA
3. Division of Clinical Pharmacology; Department of Medicine; Johns Hopkins University School of Medicine; Baltimore MD USA
4. Department of Health and Human Services; Kelly Government Solutions; Contractor to National Institute of Allergy and Infectious Diseases; National Institutes of Health; Rockville MD USA
5. CONRAD; Eastern Virginia Medical School; Arlington VA USA
6. Alpha StatConsult; Damascus MD USA
7. Department of Pharmaceutical Sciences; University of Pittsburgh; Pittsburgh PA USA