Poul Flemming Høilund-Carlsen, MD, DMSc, Prof (Hon) 
Department of Nuclear Medicine, Odense University Hospital and Department of Clinical Research, University of Southern Denmark, Sønder Boulevard 29, Odense, 5000 Denmark
Abass Alavi, MD, MD (Hon), PhD (Hon), DSc (Hon) 
Department of Radiology, Hospital of the University of Pennsylvania, 3400 Spruce Street, Philadelphia, PA 19104, USA
Mateen C. Moghbel, MD 
Department of Radiology, Stanford University School of Medicine, 300 Pasteur Drive, Stanford, CA, 94305-5105, USA
Ali Salavati, MD, MPH 
Department of Radiology, University of Minnesota, 420 Delaware Street Southeast, Minneapolis, MN 55455, USA