Mark D. Kilby is Dame Hilda Lloyd Professor of Maternal and Fetal Medicine and Deputy Head of the School of Reproduction, Genes and Development, University of Birmingham, UK.
Anthony Johnson is Professor of Maternal Fetal Medicine, University of Texas Health Science Center, Houston, TX, USA.
Dick Oepkes is Professor of Obstetrics and Fetal Therapy, Leiden University Medical Centre, Leiden, The Netherlands.