Tateno, Fuyuki
Sakakibara, Ryuji http://orcid.org/0000-0002-5803-169X
Aiba, Yosuke
Ogata, Tsuyoshi
Katsumata, Masao
Matsuoka, Yoshikatsu
Article History
Received: 25 November 2019
Accepted: 9 December 2019
First Online: 14 December 2019
Compliance with ethical standards
:
: We have no conflict of interest.
: We followed the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments.