Ukai, Taku http://orcid.org/0000-0001-9839-7330
Hamahashi, Kosuke
Uchiyama, Yoshiyasu
Kobayashi, Yuka
Watanabe, Masahiko
Article History
Received: 11 January 2020
Accepted: 7 May 2020
First Online: 18 July 2020
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of Tokai University. The authors state that this study conforms to the ethical standards laid down in the most recent version of the Declaration of Helsinki. All patients were informed about the study and consented to participate.
: All patients gave consent for publication.
: The authors declare that they have no competing interests.