1. Section of Molecular Craniofacial Embryology, Graduate School, Tokyo Medical and Dental University, Tokyo, Japan and Department of Bioartificial Organs, Institute for Frontier Medical Sciences, Kyoto University, Kyoto, Japan
2. Department of Bioartificial Organs, Institute for Frontier Medical Sciences, Kyoto University, Kyoto, Japan
3. Department of Biomaterials, Institute for Frontier Medical Sciences, Kyoto University, Kyoto, Japan. *This article was presented in part at the 17th Congress of the European Society for Artificial Organs in Lausanne, Switzerland on September
4. Section of Molecular Craniofacial Embryology, Graduate School, Tokyo Medical and Dental University, Tokyo, Japan