Reply by Authors

Affiliations

• ¹ Cleveland Clinic, Cleveland, Ohio.
• ² RTI International, Research Triangle Park, North Carolina.
• ³ Duke University, Durham, North Carolina.
• ⁴ University of Alabama at Birmingham, Birmingham, Alabama.
• ⁵ University of Pittsburgh, Magee-Womens Research Institute, Pittsburgh, Pennsylvania.
• ⁶ University of New Mexico, Albuquerque, New Mexico.
• ⁷ University of California San Diego, San Diego, California.
• ⁸ Brown University, Providence, Rhode Island.
• ⁹ University of Pennsylvania, Philadelphia, Pennsylvania.
• ¹⁰ Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland.