Kasahara, T
Takata, A
Kato, T M
Kubota-Sakashita, M
Sawada, T
Kakita, A
Mizukami, H
Kaneda, D
Ozawa, K
Kato, T
Article History
Received: 8 March 2015
Revised: 1 August 2015
Accepted: 8 September 2015
First Online: 20 October 2015
Competing interests
: TKat receives a research grant from Takeda Pharmaceutical outside this work. The company had no role in the study design, data collection and analysis, decision to publish or preparation of the manuscript. TKat received honoraria for lectures, manuscripts and/or consultancy, from Kyowa Hakko Kirin, Eli Lilly Japan K.K., Otsuka Pharmaceutical, GlaxoSmithKline K.K., Taisho Toyama Pharmaceutical, Dainippon Sumitomo Pharma, Meiji Seika Pharma, Pfizer Japan, Mochida Pharmaceutical, Shionogi, Janssen Pharmaceutical K.K., Yoshitomiyakuhin, Agilent Technologies, Astellas Pharma and Wako Pure Chemical Industries within the last 3 years. The remaining authors declare no conflict of interest.