Sugawara, Shuichiro https://orcid.org/0000-0003-0661-1374
Hirai, Ichiro
Watanabe, Toshihiro
Tezuka, Koji
Kimura, Wataru
Article History
Received: 29 November 2017
Accepted: 7 March 2018
First Online: 13 March 2018
Compliance with ethical standards
:
: Shuichiro Sugawara, Ichiro Hirai, Toshihiro Watanabe, Koji Tezuka, and Wataru Kimura declare that they have no conflict of interest.
: All procedures followed have been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments.
: Informed consent was obtained from all patients for being included in the study.