Izumi, Kiyotaka
Kanda, Junya http://orcid.org/0000-0002-6704-3633
Nishikori, Momoko
Arai, Yasuyuki
Ishikawa, Takayuki
Yoshioka, Satoshi
Ueda, Yasunori
Maeda, Takeshi
Yonezawa, Akihito
Anzai, Naoyuki
Moriguchi, Toshinori
Imada, Kazunori
Akasaka, Takashi
Nohgawa, Masaharu
Itoh, Mitsuru
Aiba, Akiko
Tsunemine, Hiroko
Watanabe, Mitsumasa
Kondo, Tadakazu
Takaori-Kondo, Akifumi
Article History
Received: 2 July 2019
Accepted: 28 October 2019
First Online: 12 November 2019
Compliance with ethical standards
:
: The authors declare that they have no competing interests.
: This study was approved by the institutional review board of each participating institution. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.