Watanabe, Masafumi
Okuwaki, Kosuke
Kida, Mitsuhiro
Imaizumi, Hiroshi
Yamauchi, Hiroshi
Kaneko, Toru
Iwai, Tomohisa
Hasegawa, Rikiya
Miyata, Eiji
Masutani, Hironori
Tadehara, Masayoshi
Adachi, Kai
Koizumi, Wasaburo
Article History
Received: 29 November 2018
Accepted: 29 January 2019
First Online: 12 February 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were 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. For this type of study, formal consent is not required.