1 Department of Pathology and Molecular Medicine, Wellington School of Medicine and Health Sciences, University of Otago, PO Box 7343, Wellington, New Zealand. brett.delahunt@otago.ac.nz.
2 Department of Oncology and Pathology, Karolinska Institutet, Stockholm, Sweden.
3 Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada.
4 Aquesta Uropathology and University of Queensland, Brisbane, QLD, Australia.