1. Visiting scientist, Department of Human Genetics, University of Utah Health Sciences Center, Salt Lake City, UT; and technical official, Laboratory of Forensic Serology, National Research Institute of Police Science, Tokyo, JP.
2. Director, Division of Biochemistry, Cancer Institute, Tokyo, JP.
3. Professor and cochairman, Department of Human Genetics, University of Utah Health Sciences Center, 603 Wintrobe Building Salt Lake City, UT 84132, US.