Ogawa, Teruyuki
Sakakibara, Ryuji
Kuno, Sadako
Ishizuka, Osamu
Kitta, Takeya
Yoshimura, Naoki
Article History
First Online: 13 December 2016
Competing interests
: N.Y. has received research funding from Astellas, GSK and Ono. The other authors declare no competing interests.