Tsukamoto, Masayo
Imai, Katsunori
Yamashita, Yo-ichi
Kitano, Yuki
Okabe, Hirohisa
Nakagawa, Shigeki
Nitta, Hidetoshi
Chikamoto, Akira
Ishiko, Takatoshi
Baba, Hideo
Article History
Received: 10 June 2019
Accepted: 8 October 2019
First Online: 3 November 2019
Compliance with ethical standards
:
: Masayo Tsukamoto and co-authors declare that we have no conflicts of interest.
: 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 Declaration of Helsinki and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.