Ikeda, Hirokazu http://orcid.org/0000-0003-0230-8933
Oyake, Chisato
Oonuki, Yuta
Fuyama, Masaki
Watanabe, Tsuneki
Kyoda, Takashi
Tamura, Setuko
Article History
Received: 10 October 2019
Accepted: 7 January 2020
First Online: 21 January 2020
Ethics approval and consent to participate
: The present study was approved by the institutional review board of the Showa University Fujigaoka Hospital (2012122) and the Tokyo Seitoku University (15–4).
: Not applicable.
: The authors declare that they have no competing interests.