Runjan Chetty is the Interim Program Medical Director and Pathologist in Chief, Gastrointestinal and Pancreas Pathologist, University Health Network and University of Toronto, Toronto, Canada. Kumarasen Cooper is Professor of Anatomic Pathology at the Hospital of the University of Pennsylvania, Philadelphia, PA, USA. Carol Cheung is a Urologic Pathologist and Medical Director of Immunopathology at the University Health Network and Associate Professor of Laboratory Medicine and Pathobiology at the University of Toronto, Toronto, Canada. Srinivas Mandavilli is Chief of Pathology and Laboratory Medicine, Hartford Hospital, Hartford, CT, USA.