Philip J Steer Editor

Philip J. Steer is Emeritus Professor of Obstetrics and Gynaecology, Imperial College London, at Chelsea and Westminster Hospital, London, UK. Michael A. Gatzoulis is Professor of Cardiology and Congenital Heart Disease and Consultant Cardiologist, Adult Congenital Heart Centre and Centre for Pulmonary Hypertension, Royal Brompton Hospital and the National Heart and Lung Institute, Imperial College London, UK.