1 Department of Radiology and Nuclear Medicine, University Medical Center Utrecht, Kamernummer E.01.1.29, Huispostnummer E01.132, Postbus 85500, 3508 GA Utrecht, The Netherlands. Electronic address: M.Lam@umcutrecht.nl.
2 Hospital of the University of Pennsylvania, Ground Dulles, 3400 Spruce Street, Philadelphia, PA 19104, USA. Electronic address: stephen.hunt@uphs.upenn.edu.
3 Radionuclide Therapy Program at H. Lee Moffitt Cancer Center and Research Institute, Diagnostic Imaging & Interventional Radiology Program, Cancer Physiology Program, University of South Florida, Moffitt Cancer Center, 12902 USF Magnolia Drive, Tampa, FL 33612, USA. Electronic address: gassnucmed@gmail.com.
4 Department of Radiology, Hospital of the University of Pennsylvania, 3400 Spruce Street, Philadelphia, PA 19104, USA. Electronic address: Abass.Alavi@uphs.upenn.edu.