- 1990 - 1993 アメリカ合衆国国立癌研究所 訪問研究員
- 1990 - 1993 National Cancer Institute, Visiting Fellow
- 1993 - - 福井医科大学医学部付属病院 助手 講師
- 1993 - Kyoto University Hospital
- 1993 - Fukui Medical University Hospital Assistant
- 1993 - Kyoto University Hospital, Assistant Professor
- 1989 - 1990 Kyoto University Hospital
- 1989 - 1990 Kyoto University Hospital, Assistant Professor
- Professor, Instructer
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