Sato, Takao
Aizawa, Yoshifusa
Suzuki, Naomasa
Taya, Yuji
Yuasa, Sho
Kishi, Shohei
Koshikawa, Tomoyasu
Fuse, Koichi
Fujita, Satoshi
Ikeda, Yoshio
Kitazawa, Hitoshi
Takahashi, Minoru
Okabe, Masaaki
Article History
First Online: 18 June 2018
Compliance with ethical standards
:
: The authors declare that there is no conflict of interest.
: Our study was approved by our institutional ethics review board and all participants provided written informed consent for the use of their data in our retrospective analysis.