John A. Gosling, MD, MB, ChB, FRCS, Professor of Anatomy, Stanford University, USA, Philip F. Harris, MD, MB, ChB, MSc, Emeritus Professor of Anatomy, University of Manchester, UK, John R. Humpherson, MB, ChB, Formerly Senior Lecturer in Anatomy, Faculty of Life Sciences, University of Manchester, UK, Ian Whitmore, MD, MB, BS, LRCP, MRCS, Professor of Anatomy, Stanford University, USA and Peter L. T. Willan, MB, ChB, FRCS, Formerly Professor of Anatomy, University of UAE, Al-Ain, United Arab Emirates