Funding for this research was provided by:
Ministry of Education, Culture, Sports, Science and Technology (JP17K01853, (C) (JP16K09244, (Early-Career Scientists) (JP18K17925, JP17H04126, JP18H02737), (B) (JP16H05850, (C) JP18K07565, (C) JP17K09114, JP18K09412), (C) JP17K09113, JP16H05557, JP16H02692), JP18K17382), (A) (JP16H02644)
Japan Agency for Medical Research and Development (JP18ek0210083, JP18gm0610007, JP18ek0210080, JP18fk0108075, JP18dk0207025, JP18km0405202, JP18ek0210082)
Ministry of Health, Labour and Welfare of Japan (H29-Junkankitou-Ippan-003, H30-Shokuhin-[Sitei]-005)
Text and Data Mining valid from 2018-11-03
Received: 12 July 2018
Accepted: 23 October 2018
First Online: 3 November 2018
Compliance with ethical standards
: The authors declare that there is no conflict of interest associated with this manuscript.
: All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (the Kyushu University Institutional Review Board for Clinical Research, date of approval: 28 July 2017, approval no. 29-213) and with the Helsinki Declaration of 1964 and later versions.
: Informed consent was obtained from the participants before they were included in the study.