Funding for this research was provided by:
ITOH Optical Industrial Co.,Ltd
Received: 3 August 2018
Accepted: 4 December 2018
First Online: 18 December 2018
Ethics approval and consent to participate
: This experiment was approved by the bioethics committee of the Graduate School of Horticulture, Chiba University.
: All participants gave written informed consent for publication after a complete explanation of this study.
: The sponsor had no control over the writing or publication of this work. The authors declare that they have no competing interests.
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