Endo, Takeshi
Abe, Takafumi
Akai, Kenju
Kijima, Tsunetaka
Takeda, Miwako
Yamasaki, Masayuki
Isomura, Minoru
Nabika, Toru
Yano, Shozo
Article History
Received: 4 November 2018
Accepted: 22 April 2019
First Online: 10 May 2019
Ethics approval and consent to participate
: This study was approved by the local ethics committee of Shimane University (#3149) and Unnan City Hospital (#20180004) and in accordance to the Declaration of Helsinki. Written informed consent was obtained from all participants.
: Not applicable.
: The authors declare that they have no competing interests.
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