1. Department of Applied Biology, Faculty of Textile Science and Technology, Shinshu University, Ueda, Nagano, Japan
2. Division of Biological and Medical Fibers, Interdisciplinary Cluster for Cutting Edge Research, Institute for Fiber Engineering, Shinshu University, Ueda, Nagano, Japan
3. Smart Material Science and Technology, Interdisciplinary Graduate School of Science and Technology, Shinshu University, Ueda, Japan