Affiliation: | 1. Department of Radiology & Biomedical Imaging, Yale University School of Medicine, New Haven, Connecticut;2. Yale PET Center, Yale University School of Medicine, New Haven, Connecticut;3. Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut;4. Department of Pulmonology, Yale University School of Medicine, New Haven, Connecticut;5. Department of Neurobiology, Yale University School of Medicine, New Haven, Connecticut |