Wakamatsu, Toru
Kakunaga, Shigeki
Takenaka, Satoshi
Outani, Hidetatsu
Hamada, Kenichiro
Imura, Yoshinori
Hori, Yumiko
Naka, Norifumi
Kudawara, Ikuo
Yoshikawa, Hideki
Ueda, Takafumi http://orcid.org/0000-0002-5210-7884
Article History
Received: 1 March 2019
Accepted: 21 May 2019
First Online: 13 June 2019
Compliance with ethical standards
:
: All authors declare that they have no conflict 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 Helsinki Declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.