| Affiliation: | 1. Department of Chemistry, Graduate School of Science, The University of Tokyo, 7‐3‐1 Hongo, Bunkyo‐ku, Tokyo 113‐0033 (Japan), Fax: (+81)?3‐5800‐6899;2. Organ Development Research Laboratory, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 4, 1‐1‐1 Higashi, Tsukuba, Ibaraki 305‐8562 (Japan);3. Department of Life Science (Biology), Graduate School of Arts and Sciences, The University of Tokyo, 3‐8‐1 Komaba, Meguro‐ku, Tokyo 153‐8902 (Japan), Fax: (+81)?29?861?2987 |
