1. Department of Medical Physics and Biomedical Engineering Tehran University of Medical Sciences Tehran Iran
2. Research Center for Molecular and Cellular Imaging Tehran University of Medical Sciences Tehran Iran
3. Chronic Respiratory Diseases Research Center National Research Institute of Tuberculosis and Lung Diseases (NRITLD) Shahid Beheshti University of Medical Sciences Tehran Iran
4. PET/CT and Cyclotron Center Masih Daneshvari Hospital Shahid Beheshti University of Medical Sciences Tehran Iran
5. Research Center for Nuclear Medicine Shariati Hospital Tehran University of Medical Sciences Tehran Iran
6. Division of Nuclear Medicine and Molecular Imaging Geneva University Hospital Geneva CH‐1211Switzerland
7. Geneva University Neurocenter Geneva University CH‐1205Geneva Switzerland
8. Department of Nuclear Medicine and Molecular Imaging University of Groningen University Medical Center Groningen 9700 RBGroningen Netherlands
9. Department of Nuclear Medicine University of Southern Denmark 500Odense Denmark