Hisamatsu, Y.
Yamagata, M.
Miyazaki, M.
Wang, H.
Tanaka, S.
Yoshida, T.
Fukuda, A.
Sonoda, T.
Article History
Received: 11 February 2018
Accepted: 10 October 2018
First Online: 16 October 2018
Compliance with ethical standards
:
: All authors declare that they have no conflict of interest.
: For this type of study formal consent is not required. This article does not contain any studies with human participants or animals performed by any of the authors.
: This article does not contain any studies with human participants or animals performed by any of the authors.
: Informed consent was obtained from all individual participants included in the study.