1 Department of Anatomical Pathology, PathWest, Perth, WA, Australia; School of Medicine, University of Western Australia, Crawley, WA, Australia. Electronic address: daniel.wong@health.wa.gov.au.
2 Department of Surgery, Sir Charles Gairdner Hospital, Nedlands, WA, Australia.
3 Department of Anatomical Pathology, PathWest, Perth, WA, Australia.