Robert F Casper Editor

Roy Homburg is Professor and Head of Research, Homerton Fertility Centre, Homerton University Hospital, London, UK. Adam H. Balen is Professor of Reproductive Medicine & Surgery, and Lead Clinician of Leeds Fertility, Leeds Teaching Hospitals, UK. Robert F. Casper is Professor Emeritus and former Head of the Division of Reproductive Sciences, Department of Obstetrics and Gynecology at the University of Toronto, Canada.