1. The Faculty of Textile Science and Technology Shinshu University Ueda Nagano Japan
2. Faculty of Human Life and Environmental Sciences Department of Clothing Environmental Science Nara Women's University Kitauoya‐Nishimachi Nara Japan
3. Department of Biomedical Engineering National Cerebral and Cardiovascular Center Research Institute Suita Osaka Japan
4. Faculty of Chemistry, Materials and Bioengineering, Department of Chemistry and Materials Engineering Kansai University Suita Osaka Japan
5. Ionoptika Ltd. Eastleigh United Kingdom
6. Silk Materials Research Group National Agriculture and Food Research Organization Tsukuba Ibaraki Japan