1. From the Departments of Clinical Epidemiology and Biostatistics (RCP, SRdR, PMB, and TJR), Cardiology (TAS), and Obstetrics and Gynecology (OPB), Academic Medical Center, University of Amsterdam, Amsterdam, Netherlands, and the MRC Epidemiology Resource Centre (CO) and the Developmental Origins of Adult Disease Centre (DJB), University of Southampton, Southampton, United Kingdom