1. Institute for Advanced Biosciences, Keio University, Tsuruoka, Yamagata 997-0017, Japan.
2. Faculty of Environment and Information Studies, Keio University, Fujisawa, Kanagawa 252-8520, Japan.
3. Graduate School of Media and Governance, Keio University, Fujisawa, Kanagawa 252-8520, Japan.
4. Exploratory Research Center on Life and Living Systems (ExCELLS), National Institutes of Natural Sciences, Okazaki, Aichi 444-8787, Japan.
5. Biomacromolecules Research Team, RIKEN Center for Sustainable Resource Science, Wako, Saitama 351-0198, Japan.
6. Department of Material Chemistry, Kyoto University, Nishikyo, Kyoto 615-8510, Japan.
7. Japan Synchrotron Radiation Research Institute, Sayo-gun, Hyogo 679-5198, Japan.
8. Spiber Inc., Tsuruoka, Yamagata 997-0052, Japan.
9. Graduate School of Agricultural and Life Sciences, University of Tokyo, Yayoi, Bunkyo, Tokyo 113-8657, Japan.
10. Graduate School of Life and Environmental Sciences, University of Tsukuba, Tennodai, Tsukuba, Ibaraki 305-8572, Japan.
11. The United Graduate School of Agricultural Sciences, Kagoshima University, Korimoto, Kagoshima 890-0065, Japan.
12. Kokugakuin Kugayama High School, Suginami, Tokyo 168-0082, Japan.
13. Graduate School of Agriculture, Saga University, Saga 840-8502, Japan.
14. Evolution and Ecology Research Centre, University of New South Wales, Sydney, NSW 2052, Australia.
15. Department of Civil, Environmental and Mechanical Engineering, University of Trento, Via Mesiano 77, I-38123 Trento, Italy.
16. Beijing Advanced Innovation Center for Biomedical Engineering, School of Materials Science and Engineering, Beihang University, Beijing 100191, China.
17. Natural Materials Group, Department of Materials Science and Engineering, The University of Sheffield, Mappin Street, Sheffield S1 3JD, UK.
18. Department of Biomedical Engineering, Tufts University, Medford, MA 02155, USA.
19. School of Biological Sciences, Universiti Sains Malaysia, 11800 Penang, Malaysia.
20. Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati (IITG), Guwahati, 781 039 Assam, India.
21. Center for Nanotechnology, IITG, Guwahati, 781 039 Assam, India.
22. School of Health Sciences and Technology, IITG, Guwahati, 781 039 Assam, India.
23. Institute of Biological Sciences, Faculty of Science, University of Malaya, 50603 Kuala Lumpur, Malaysia.
24. School of Engineering and Materials Science, Queen Mary University of London, Mile End Road, E1 4NS London, UK.
25. Institute for Frontier Materials, Deakin University, Waurn Ponds, VIC 3216, Australia.
26. College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China.