Fujita, Tamaki
Miura, Hiroyuki
Seino, Hiroko
Ono, Shuichi
Nishi, Takashi
Nishimura, Akimasa
Hakamada, Kenichi
Aoki, Masahiko
Article History
Received: 18 November 2017
Accepted: 3 April 2018
First Online: 3 May 2018
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: This retrospective study was approved by our ethics committee, and abides by the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: Informed consent for using case information was obtained from all patients.