University of Pittsburgh

Emeritus Distinguished Professor of Radiology, University of Pittsburgh

University of Illinois at Urbana-Champaign

Professor of Radiology and Biomedical Imaging and of Biomedical Engineering

Emeritus Scientist, Centre for Addiction and Mental Health

professor, NYU school of medicine

Professor of Radiology and Biomedical Imaging, Yale University

Professor of Medicinal Chemistry, The University of Sydney

Resident in Radiation Oncology

Université de Montréal / CRCHUM