Nishikawa, T. http://orcid.org/0000-0003-0698-5755
Kawai, K.
Ishii, H.
Emoto, S.
Murono, K.
Kaneko, M.
Sasaki, K.
Shuno, Y.
Tanaka, T.
Hata, K.
Nozawa, H.
Ishihara, S.
Article History
Received: 27 July 2019
Accepted: 9 August 2019
First Online: 27 August 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The study was conducted in accordance with the ethical guidelines of the Declaration of Helsinki and was approved by the Ethics Committee of the University of Tokyo (No. 3252-(8)).
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