Tamaki, Masaharu
Nakasone, Hideki
Misaki, Yukiko
Yoshimura, Kazuki
Gomyo, Ayumi
Hayakawa, Jin
Kusuda, Machiko
Akahoshi, Yu
Ishihara, Yuko
Kawamura, Koji
Tanihara, Aki
Sato, Miki
Terasako-Saito, Kiriko
Kameda, Kazuaki
Wada, Hidenori
Kikuchi, Misato
Kimura, Shun-ichi
Kako, Shinichi
Kanda, Yoshinobu
Article History
Received: 25 March 2018
Accepted: 23 May 2018
First Online: 2 June 2018
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.