| Affiliation: | Laboratory of Molecular Embryology, Department of Biological Sciences, Graduate School of Science, The University of Tokyo, Hongo 7-3-1, Bunkyo ku, Tokyo 113-0033, Japan Laboratory of Molecular Embryology, Department of Biological Sciences, Graduate School of Science, The University of Tokyo, Hongo 7-3-1, Bunkyo ku, Tokyo 113-0033, Japan Medical Research Laboratories, Taisho Pharmaceutical Campany Ltd., Yoshino-cho 1-403, Ohmiya-shi Saitama, 330-0031, Japan Department of Biochemistry, Saga Medical School, 5-1-1 Nabeshima, Saga 849-0937, Japan Department of Biochemistry, Saga Medical School, 5-1-1 Nabeshima, Saga 849-0937, Japan |
