Astellas Pharma Inc.; OBITSU, Kazuyoshi; AKIBA, Takahiro; KOBAYASHI, Koji; HIRASAWA, Shun; KONDOH, Yutaka; TAKEGUCHI, Kazuhiro; TAKAHAMA, Yuji; ORII, Ryoki Patent: EP2669281 A1, 2013 ; Location in patent: Paragraph 0040 ;