Tamaki, Masaharu
Nakasone, Hideki
Kawamura, Shunto
Takeshita, Junko
Yoshino, Nozomu
Misaki, Yukiko
Yoshimura, Kazuki
Gomyo, Ayumi
Tanihara, Aki
Kusuda, Machiko
Akahoshi, Yu
Kawamura, Koji
Kimura, Shun-ichi
Kako, Shinichi
Kanda, Yoshinobu
Article History
Received: 30 August 2019
Accepted: 8 March 2020
First Online: 16 March 2020
Compliance with ethical standards
: This retrospective study was approved by the Institutional Review Board of Saitama Medical Center, Jichi Medical University, and performed in accordance with the Declaration of Helsinki and its later amendments.
: The authors declare that they have no conflict of interest.