Miyashita, Naohiro
Onozawa, Masahiro http://orcid.org/0000-0001-9267-2864
Hayasaka, Koji
Yamada, Takahiro
Migita, Ohsuke
Hata, Kenichiro
Okada, Kohei
Goto, Hideki
Nakagawa, Masao
Hashimoto, Daigo
Kahata, Kaoru
Kondo, Takeshi
Kunishima, Shinji
Teshima, Takanori
Article History
Received: 21 July 2017
Accepted: 18 December 2017
First Online: 29 January 2018
Compliance with ethical standards
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki Declaration and its later amendments. Informed consent was obtained from all patients for being included in the study. This study was approved by the Institutional Review Board of Hokkaido University Faculty of Medicine.
: The authors declare that they have no conflict of interest.