Ogura, A.
Kobayashi, R.
Aritake, T.
Maeda, T.
Kawai, K.
Takagi, K.
Kawai, S.
Kamiya, S.
Article History
Received: 2 April 2019
Accepted: 18 May 2019
First Online: 29 May 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This research was performed in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.