1. Faculty of Textile Science and Technology; Shinshu University; Tokida 3-15-1 Ueda Nagano 386-8567 Japan
2. Department of Material-Based Medical Engineering; Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University; 2-3-10, Kanda-Surugadai Chiyoda-ku Tokyo 101-0023 Japan
3. Division of Acellular Tissue and Regenerative Medical Materials; Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University; 2-3-10 Kanda-Surugadai Chiyoda-ku Tokyo 101-0062 Japan