Takeda, On http://orcid.org/0000-0001-5212-8813
Kumagai, Gentaro
Wada, Kanichiro
Kudo, Hitoshi
Asari, Toru
Ota, Seiya
Chiba, Daisuke
Nakaji, Shigeyuki
Ishibashi, Yasuyuki
Article History
Received: 16 December 2018
Accepted: 4 March 2019
First Online: 27 March 2019
Compliance with ethical standards
:
: The authors have no conflicts of interests to declare.
: This study was approved by the Ethics Committee of Hirosaki University Graduate School of Medicine and was performed in accordance with the ethical standards as laid down in the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards. Each individual participant gave informed consent before participating.