参考文献

KYOTO UNIVERSITY; Kakeya, Hideaki; Hattori, Akira; Takasu, Yasuaki; Fujii, Nobutaka; Oishi, Shinya; Kojima, Soichi; Hara, Mitsuko Patent: US2013/45977 A1, 2013 ; Location in patent: Paragraph 0211; 0212; 0213; 0214 ;