Nakano, Kikuo http://orcid.org/0000-0002-3952-5774
Kitahara, Yoshihiro
Mito, Mineyo
Seno, Misato
Sunada, Shoji
Article History
Received: 12 August 2017
Accepted: 20 February 2018
First Online: 27 February 2018
Ethics approval and consent to participate
: The study was approved by National Hospital Organization Kure Medical Center research ethics review board, Hiroshima, Japan. All participants provided written informed consent.
: Not applicable.
: The authors declare that they have no competing interest.
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