Ishida, Tomoya
Koshino, Yuta
Yamanaka, Masanori
Ueno, Ryo
Taniguchi, Shohei
Samukawa, Mina
Saito, Hiroshi
Matsumoto, Hisashi
Aoki, Yoshimitsu
Tohyama, Harukazu
Article History
Received: 8 February 2018
Accepted: 3 October 2018
First Online: 20 October 2018
Ethics approval and consent to participate
: All subjects read and signed informed consent forms prior to their inclusion in the present study. This study was approved by the Hokkaido University Institutional Review Board (Approval number: 11–55).
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: The authors declare that they have no competing interests.
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