<p><b>Errol R Norwitz, MD, PhD,</b> <b>MBA</b>, Professor of Obstetrics and Gynecology, Tufts Medical Center, Boston, MA, USA</p> <p><b>George A Saade, MD,</b> Professor of Maternal-Fetal Medicine, University of Texas Medical Branch, Galveston, TX, USA</p> <p><b>Hugh S Miller, MD</b>, Department of Obstetrics and Gynecology, University of Arizona Medical Centre, Tucson, AZ, USA</p> <p><b>Christina M Davidson</b>, MD, Assistant Professor of Maternal Fetal Medicine, Baylor College of Medicine, Houston, TX, USA</p>