Mizuguchi, Shinjiro
Izumi, Nobuhiro
Tsukioka, Takuma
Komatsu, Hiroaki
Nishiyama, Noritoshi
Article History
Received: 2 March 2018
Accepted: 19 June 2018
First Online: 27 June 2018
Ethics approval and consent to participate
: The Osaka city University Institutional Review Board (reference number 3361) approved this study for investigation.
: Not applicable.
: The authors declare that they have no competing interests.
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