Ogasawara, Sadahisa
Chiba, Tetsuhiro
Ooka, Yoshihiko
Suzuki, Eiichiro
Kanogawa, Naoya
Saito, Tomoko
Motoyama, Tenyu
Tawada, Akinobu
Kanai, Fumihiko
Yokosuka, Osamu
Article History
Received: 3 December 2015
Accepted: 6 January 2016
First Online: 14 January 2016
Compliance with ethical standards
: This study was approved by the relevant institutional review boards. Written informed consent was obtained from individual participants included in the present study.
: Prof. Osamu Yokosuka received a grant support from Bayer Yakuhin Co., Ltd. (Osaka, Japan). The remaining authors have no conflict of interest.
: This study was supported by a grant from Bayer Yakuhin Co., Ltd.