1 Department of Radiology, Hôpital Cochin, Assistance Publique-Hopitaux de Paris, 75014 Paris, France; Université Paris Cité, Faculté de Médecine, 75006, Paris, France. Electronic address: philippe.soyer@aphp.fr.
2 The Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA.
3 Department of Radiology, Hamilton General Hospital, McMaster University Hamilton, ON, Canada L8L 2X2.
4 Department of Radiology, Hôpital Cochin, Assistance Publique-Hopitaux de Paris, 75014 Paris, France; Université Paris Cité, Faculté de Médecine, 75006, Paris, France.