Sakaida, Hiroshi http://orcid.org/0000-0002-9431-3301
Miyamura, Tomotaka
Matsuda, Yasunori
Takeuchi, Kazuhiko
Article History
Received: 17 August 2015
Accepted: 28 September 2015
First Online: 5 October 2015
Compliance with ethical standards
:
: Hiroshi Sakaida, Tomotaka Miyamura, Yasunori Matsuda, Kazuhiko Takeuchi declare that they have no conflict of interest.
: For this type of study, formal consent from an ethics committee is not required.
: Informed consent was obtained from all individual participants included in the study.