Płazińska, Maria Teresa Płazińska, Maria Teresa Quartuccio, Natale, Nuclear Medicine Unit, Department of Biomedical Sciences and of Morphological and Functional Images, University of Messina, Italy Quartuccio, Natale Quigley, Ann-Marie, Royal Free London NHS Foundation Trust Qutbi, Mohsen Raciborska, Iwona Radek, Maciej Radev, Radoslav Radević, Bozina Radović, Branislava, Center for Nuclear Medicine Clinical Center of Serbia Radzik, Marcin Raeisi, Nasrin Raftopoulos, Vasilios Ragos, Vasilios Rahali, Jamila Raikov, Miroslav, Medical University, Varna Raikov, Nikolai, Medical Complex ``Plus``, Varna Raikova, Asyia, Department of Internal Medicine, MBAL Dobrich Rajaeipour, Mehdi Rajamand, Amir A. Rajan, Ramakrishna Rajerison, Holisoa Rajić, Milena Rajić, Milena, Department of Nuclear Medicine, Clinical Centre, Nis,Yugoslavia