Ida, Hanae
Honma, Yoshitaka
Hirano, Hidekazu
Shoji, Hirokazu
Iwasa, Satoru
Okita, Natsuko
Takashima, Atsuo
Kato, Ken
Fukuda, Takahiro
Boku, Narikazu
Article History
Received: 24 August 2018
Accepted: 20 September 2018
First Online: 28 September 2018
Compliance with ethical standards
:
: All authors do not have potential conflicts of interest to disclose.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. This retrospective study was approved by the Institutional Review Board of NCCH (2017–229).
: For this type of study formal consent is not required.