1 Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ontario Canada.
2 Department of Radiology and Research Institute of Radiology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea.
3 Department of Radiology, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin United States.
4 Department of Medical Imaging, Lapeyronie University Hospital, Montpellier, France; Desbrest Institute of Epidemiology and Public Health (IDESP), Univ Montpellier, INSERM, Montpellier, France.