Mashima, Kiyomi
Ikeda, Takashi
Kawaguchi, Shin-ichiro
Toda, Yumiko
Ito, Shoko
Ochi, Shin-ichi
Nagayama, Takashi
Umino, Kento
Minakata, Daisuke
Nakano, Hirofumi
Yamasaki, Ryoko
Morita, Kaoru
Kawasaki, Yasufumi
Sugimoto, Miyuki
Ishihara, Yuko
Ashizawa, Masahiro
Yamamoto, Chihiro
Fujiwara, Shin-ichiro
Hatano, Kaoru
Sato, Kazuya
Oh, Iekuni
Ohmine, Ken
Muroi, Kazuo
Kanda, Yoshinobu
Article History
Received: 7 September 2018
Accepted: 15 November 2018
First Online: 24 November 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: For this retrospective study, formal informed consent is not required. This study was approved by the ethics committee of Jichi Medical University.