Affiliation: | 1. Bioengineering Laboratory, RIKEN, 2‐1 Hirosawa, Wako, Saitama 351‐0198, Japan;2. Department of Materials Science, School of Frontier Sciences, The University of Tokyo, 5‐1‐5 Kashiwanoha, Kashiwa, Chiba 227‐8561, Japan;3. +81‐48‐467‐9312+81‐48‐462‐4658 |