1. Department of Medicine, University of Toronto.
2. Division of Hematology-Oncology, The Toronto Hospital.
3. Medical Oncology, Sunnybrook Health Sciences Center, Toronto.
4. Departments of Biology and Pathology, McMaster University Medical School.
5. Head, Department of Pathology, McMaster University Medical School.
6. Department of Pathology, University of Toronto.
7. Department of Surgery, University of Toronto.
8. Head, Department of Laboratory Medicine, Sunnybrook Health Sciences Center, The Toronto Hospital, Ontaro.
9. Director, Clinical Virology Laboratory, The Toronto Hospital, Ontario.
10. Gene Therapy Division, Baxter Health Care, U.S.A.