Funding Information: The National Institutes of Health, the Eunice Kennedy Shriver National Institute of Child Health and Human Development, the National Center for Research Resources, and the National Center for Advancing Translational Sciences provided grant support for the NRN Generic Database through cooperative agreements. The content of this article is solely the responsibility of the authors and does not necessarily represent the official views of the National Institutes of Health. Data collected at participating sites of the Eunice Kennedy Shriver National Institute of Child Health and Human Development NRN were transmitted to RTI International, the data coordinating center (DCC) for the network, which stored, managed, and analyzed the data for this study. On behalf of the NRN, Dr Abhik Das (DCC Principal Investigator) and Ms Nellie Hansen (DCC Statistician) had full access to all the data in the study and take responsibility for the integrity of the data and accuracy of the data analysis. Publisher Copyright: Copyright 