Imao, Kanta http://orcid.org/0000-0003-2751-6405
Miwa, Hitoshi
Watanabe, Kazutoshi
Satoh, Tsuyoshi
Sano, Atsuki
Endo, Naoto
Article History
Received: 22 September 2018
Accepted: 4 February 2019
First Online: 6 March 2019
Compliance with ethical standards
:
: Kanta Imao, Hitoshi Miwa, Kazutoshi Watanabe, Tsuyoshi Satoh, Atsuki Sano, and Naoto Endo declare that they have no conflicts of interest.
: This study was approved by the Institutional Review Board of our institution and all investigations were conducted in conformity with the ethical principles of research, as stated in the Declaration of Helsinki.
: The subjects who volunteered for this study were informed about the design of the study, including any potential risks and discomfort, and all of them provided written informed consent.