Ozawa, Yohei http://orcid.org/0000-0002-5136-8281
Nakano, Toru
Taniyama, Yusuke
Sakurai, Tadashi
Onodera, Yu
Kamiya, Kurodo
Hikage, Makoto
Sato, Chiaki
Takaya, Kai
Konno, Takuro
Unno, Michiaki
Kamei, Takashi
Article History
Received: 6 September 2018
Accepted: 7 April 2019
First Online: 12 April 2019
Compliance with ethical standards
:
: The study protocol was approved by the Ethics Committee of the Tohoku University School of Medicine (Accession No. 2018-1-223), and informed consent for the use of clinical information for medical research in the future was obtained from all patients prior to surgery. Our works conforms to the guidelines set forth in the Helsinki Declaration of 1964 and later versions.
: There are no financial or other relationships that could lead to a conflict of interest.