Kawahara, Takahiro
Tezuka, Junichiro
Ninomiya, Takahito
Honjo, Satoshi
Masumoto, Natsuko
Nanishi, Makiko
Nakayama, Hideki
Ohga, Shouichi
Article History
Received: 4 June 2018
Revised: 14 October 2018
Accepted: 19 October 2018
First Online: 30 October 2018
Compliance with ethical standards
: 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. This investigation was approved by the Institutional Review Board at the institutions (Registration code: H29-clini2). This article does not contain any studies with animals performed by any of the authors.
: The authors declare that they have no conflict of interest.
: Informed consent was obtained from all individual participants included in the study.