Miura, Kentaro
Hamanaka, Kazutoshi
Koizumi, Tomonobu
Kawakami, Satoshi
Kobayashi, Nobutaka
Ito, Ken-ichi
Article History
Received: 21 November 2018
Accepted: 4 March 2019
First Online: 12 March 2019
Ethics approval and consent to participate
: This study was approved by our institution’s research ethics committee (No. 3395).
: Not applicable.
: The authors declare that they have no competing interests.
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