1. Institute for Excellence in Higher Education; Tohoku University; Sendai 980-8576 Japan
2. Clinical Research, Innovation and Education Center; Tohoku University Hospital; Sendai 980-8574 Japan
3. Center for Intelligent Materials and Systems, Department of Mechanical engineering; University of Washington; Box 353600 Seattle WA 98195 USA
4. Faculty of Textile Science and Technology; Shinshu University; Ueda 386-8567 Japan