1 Division of Interventional Radiology, Department of Medical Imaging, Schulich School of Medicine and Dentistry, Western University, London, Ontario, Canada. Electronic address: derek.cool@lhsc.on.ca.
2 Department of Pathology, Schulich School of Medicine and Dentistry, Western University, London, Ontario, Canada.
3 Division of Urology, Department of Surgery, Chatham-Kent Health Alliance, Chatham, Ontario, Canada.