Tsuchiya, Nobuhiro
Matsuyama, Ryusei
Murakami, Takashi
Yabushita, Yasuhiro
Sawada, Yu
Kumamoto, Takafumi
Endo, Itaru
Article History
First Online: 14 April 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: Informed consent was waived due to the retrospective nature of this study.
: This case–control study was approved by the Ethical Review Board (B180600049) of Yokohama City University Hospital, Yokohama, Japan.