Kido, Ayumu
Tamada, Tsutomu
Kanomata, Naoki
Yamamoto, Akira
Miyaji, Yoshiyuki
Nagai, Atsushi
Sone, Teruki
Article History
Received: 6 June 2018
Accepted: 18 July 2018
First Online: 1 January 2019
Compliance with ethical standards
:
: The authors have no conflicts of interests to disclose.
: This single-center retrospective study was approved by the local institutional review board with a waiver of the requirement for written, informed consent.