Inai, Ryota http://orcid.org/0000-0002-6221-1431
Nakahara, Ryuichi
Morimitsu, Yusuke
Akagi, Noriaki
Marukawa, Youhei
Matsushita, Toshi
Tanaka, Takashi
Tada, Akihiro
Hiraki, Takao
Nasu, Yoshihisa
Nishida, Keiichiro
Ozaki, Toshifumi
Kanazawa, Susumu
Article History
Received: 29 August 2019
Accepted: 13 November 2019
First Online: 28 January 2020
Ethics approval and consent to participate
: Ethical approval for the study protocol was obtained from the Institutional Research Ethics Board, and the requirement for informed consent was waived.
: Waived by the Institutional Research Ethics Board
: The authors declare that they have no competing interests.