Professor of Pathology, Mayo Clinic

Emeritus Professor of Pathology

Professor of Pathology, Harvard Medical School

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Assistant Attending, Memorial Sloan Kettering Cancer Center, New York, USA

University of Chicago Dept of Pathology

Royal North Shore Hospital and Kolling Institute of Medical Research

Professor of Anatomic Pathology, University of Genova, Italy

Professor of Pathology, Medical College of Wisconsin

University College London