Funding for this research was provided by:
EA Pharma Co., Ltd.
Article History
Received: 7 July 2017
Accepted: 9 August 2017
First Online: 24 August 2017
Compliance with ethical standards
:
: Atsushi Nakajima has served as an advisor to EA Pharma. The other authors have no conflicts of interest to disclose.
: This work was not supported by any funding.