Mishima, Eikan
Mori, Takayasu
Sohara, Eisei
Uchida, Shinichi
Abe, Takaaki
Ito, Sadayoshi
Article History
Received: 11 July 2017
Accepted: 30 July 2017
First Online: 17 August 2017
Compliance with ethical standards
:
: All of the authors have declared no competing interests.
: This article does not describe any studies with human participants performed by any of the authors.
: Informed consent was obtained from all individual participants included in the study.