Nagai, S.
Nagayoshi, K.
Sadakari, Y.
Fujita, H.
Ohuchida, K.
Ohtsuka, T.
Nakamura, M.
Article History
Received: 31 October 2018
Accepted: 2 December 2018
First Online: 5 December 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: procedures performed in this study were in accordance with the ethical standards of the institution.
: Informed consent was obtained from all individual participants included in the study.