1. Department of Nuclear Medicine and PET/CT, King Hussein Cancer Center, Al-Jubeiha, Amman 11941, Jordan
2. Department of Radiology and Nuclear Medicine, Division of Nuclear Medicine, University of Jordan, Amman 11942, Jordan
3. Department of Medical Oncology, King Hussein Cancer Center, Amman 11941, Jordan
4. Department of Internal Medicine, King Hussein Cancer Center, Amman 11941, Jordan
5. Department of Internal Medicine, School of Medicine, University of Jordan, Amman 11942, Jordan
6. Department of Diagnostic Radiology, King Hussein Cancer Center, Amman 11941, Jordan