Kono, Nobuaki
Nakamura, Hiroyuki
Mori, Masaru
Tomita, Masaru
Arakawa, Kazuharu
Funding for this research was provided by:
Nakatsuji Foresight Foundation Research Grant
Sumitomo Foundation (190426)
Yamagata Prefectural Government and Tsuruoka City
ImPACT Program of Council for Science, Technology and Innovation
Article History
Received: 23 April 2020
Accepted: 8 September 2020
First Online: 24 September 2020
Competing interests
: H.N. is an employee of Spiber Inc., a venture company selling artificial spider silk products. However, all study designs were made by Nobuaki Kono of Keio University, and Spiber Inc. had no role in the study design, data analysis, data interpretation, or writing of the manuscript. N.K., M.M., M.T., and K.A. declare no conflict of interests.