Fukuda, Kuniaki http://orcid.org/0000-0002-9996-5800
Mori, Kensaku
Hasegawa, Naoyuki
Nasu, Katsuhiro
Ishige, Kazunori
Okamoto, Yoshikazu
Shiigai, Masanari
Abei, Masato
Minami, Manabu
Hyodo, Ichinosuke
Article History
Received: 21 December 2018
Accepted: 8 May 2019
First Online: 17 May 2019
Compliance with ethical standards
:
: All authors declare no potential conflict of interest.
: This study was approved by the institutional ethics committee (H19-208) and was conducted in accordance with the ethical standards of the Declaration of Helsinki.