Okura, Takafumi
Miyoshi, Ken-ichi
Irita, Jun
Enomoto, Daijiro
Nagao, Tomoaki
Kukida, Masayoshi
Tanino, Akiko
Kudo, Kayo
Pei, Zouwei
Higaki, Jitsuo
Article History
Received: 26 November 2013
Accepted: 23 June 2014
First Online: 11 July 2014
Competing interests
: Dr. Higaki received research grants and speaker honoraria from Pfizer Inc., Asteras Co., Takeda Pharm Co., Beringer-Ingerheim Japan Co., Daiichi-Sankyo Co., MSD Co., Mochida Pharm Co., Novartis Pharm. Co. and DaiNihon-Sumitomo Co. The other authors have indicated that they have no conflicts of interest with regards to the contents of this article.