Shiina, Kazuki
Tomiyama, Hirofumi
Matsumoto, Chisa
Komatsu, Syunsuke
Natsume, Midori
Oba, Chisato
Ohshiba, Yukio
Yamaji, Taketo
Chikamori, Taishiro
Yamashina, Akira
Article History
Received: 26 November 2018
Revised: 16 December 2018
Accepted: 16 December 2018
First Online: 17 January 2019
Compliance with ethical standards
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: KS, HT, and AY received a research grant for this study from Meiji Co., Ltd. The other authors declare that they have no conflict of interest.