Helen Whitwell, Formerly Professor of Forensic Pathology, University of Sheffield; and Neuropathologist, West Midlands, UKChristopher Milroy, Forensic Pathologist and Professor, Department of Pathology and Laboratory Medicine, University of Ottawa, CanadaDaniel du Plessis, Consultant Neuropathologist, Neuropathology Unit, Department of Cellular Pathology; and Greater Manchester Clinical Neurosciences Centre, Salford Royal Hospital NHS Foundation Trust, Liverpool, UK