Tamura, Akio
Nakasato, Tatsuhiko
Izumisawa, Mitsuru
Nakayama, Manabu
Ishida, Kazuyuki
Shiga, Kiyoto
Ehara, Shigeru
Article History
Received: 28 September 2017
Accepted: 31 January 2018
First Online: 8 February 2018
Compliance with Ethical Standards
:
: The authors declare that they have no conflicts of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: No additional consent was obtained for the retrospective analysis of the clinical records.