Ueda, Atsuhiko
Sakai, Nozomu
Yoshitomi, Hideyuki
Furukawa, Katsunori
Takayashiki, Tsukasa
Kuboki, Satoshi
Takano, Shigetsugu
Suzuki, Daisuke
Kagawa, Shingo
Mishima, Takashi
Nakadai, Eri
Miyazaki, Masaru
Ohtsuka, Masayuki
Article History
Received: 29 April 2019
Accepted: 10 July 2019
First Online: 17 July 2019
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board of Chiba University (3301). The informed consent was waived because this is a retrospective study.
: Not applicable.
: The authors declare that they have no competing interests.