Yumioka, Tetsuya
Honda, Masashi
Nishikawa, Ryoma
Teraoka, Shogo
Kimura, Yusuke
Iwamoto, Hideto
Morizane, Shuichi
Hikita, Katsuya
Takenaka, Atsushi
Article History
Received: 12 March 2019
Accepted: 3 September 2019
First Online: 13 September 2019
Compliance with ethical standards
:
: The authors 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.
: The need for informed consent was waived because of the retrospective nature of the study.