Funding for this research was provided by:
The Ministry of Education, Culture, Sports, Science and Technology of Japan (15K11146, 25861821, 16K11850, 22792106, 25862072, 23792202)
The Ministry of Health, Labour and Welfare of Japan (H26-Junkankitou (Seisaku)-Ippan-001)
Text and Data Mining valid from 2018-08-20
Received: 9 January 2018
Accepted: 3 August 2018
First Online: 20 August 2018
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board of Tohoku University Graduate School of Pharmaceutical Science (approval number: 10–08) and conformed to the principles of the Declaration of Helsinki. All participants gave written informed consent to participate, and their anonymity was preserved.
: Not applicable.
: The authors declare that they have no competing interests.
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