Kawai, Eriko
Takeda, Ryosuke
Ota, Akemi
Morita, Emiko
Imai, Daiki
Suzuki, Yuta
Yokoyama, Hisayo
Ueda, Shin-ya
Nakahara, Hidehiro
Miyamoto, Tadayoshi
Okazaki, Kazunobu
Article History
Received: 14 October 2019
Accepted: 30 December 2019
First Online: 30 January 2020
Ethics approval and consent to participate
: This study procedure was approved by the institutional review boards of our institution, and conformed to the standards set by the Declaration of Helsinki. The written informed consent from all subjects was obtained before participation in this study.
: Not applicable.
: The authors declare that they have no competing interests.