Kim, Ryungsa http://orcid.org/0000-0002-3923-4563
Kawai, Ami
Wakisaka, Megumi
Funaoka, Yuri
Yasuda, Naomi
Hidaka, Masayuki
Morita, Yukitaka
Ohtani, Shoichro
Ito, Mitsuya
Arihiro, Koji
Article History
Received: 1 September 2018
Accepted: 17 January 2019
First Online: 23 January 2019
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: This study was approved by the research ethics committee of the Hiroshima Mark Clinic on July 1, 2012. 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.