Tezuka, Taro
Inaba, Yutaka
Kobayashi, Naomi
Choe, Hyonmin
Higashihira, Syota
Saito, Tomoyuki
Article History
Received: 20 November 2017
Accepted: 24 May 2018
First Online: 9 June 2018
Ethics approval and consent to participate
: Ethical approval for the study was obtained from the institutional review board of Yokohama City University (B170100008). Informed and written consent was obtained from all patients.
: The authors declare that they have no competing interests.
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