Matsuoka, Y
Nishi, D
Tanima, Y
Itakura, M
Kojima, M
Hamazaki, K
Noguchi, H
Hamazaki, T
Article History
Received: 26 January 2015
Revised: 29 April 2015
Accepted: 1 June 2015
First Online: 7 July 2015
Competing interests
: YM has received research grants from the Japan Science and Technology Agency, National Center of Neurology and Psychiatry Japan, and the Ministry of Health, Labour, and Welfare of Japan; and has been a paid speaker for Ono Pharmaceutical, Mochida Pharmaceutical, Takeda Pharmaceutical Company, Suntory Wellness, Otsuka Pharmaceutical and the DHA & EPA Association. DN has received research grants from the Japan Society for the Promotion of Science, lecture fees from Qol, the DHA & EPA Association, NTT DoCoMo and Emotional Quotient Academy. MK has received research grants from the Japan Science and Technology Agency. MI has received research grants from the Japan Science and Technology Agency. KH has received research support from the National Center of Neurology and Psychiatry, the Japan Society for the Promotion of Science, the Tamura Foundation for Promotion of Science and Technology and the Ichiro Kanehara Foundation for Promotion of Medical Sciences and Medical Care; has received consultant fees from Polyene Project; has received scholarship donations from Otsuka Pharmaceutical; and has been a paid speaker for the DHA & EPA Association. TH has received research support from the Japan Society for the Promotion of Science, Open Research Center for Lipid Nutrition (Kinjo Gakuin University) and Nippon Suisan Kaisha; has received consultancy fees from Polyene Project and Otsuka Pharmaceutical; and has received lecture fees from Otsuka Pharmaceutical and travel expenses from Aker BioMarine. The remaining authors declare no conflict of interest.