Ito, Ryota
Mori, Kazuhiko
Minamimura, Keisuke
Hirata, Toru
Kobayashi, Takashi
Kawasaki, Seiji
Article History
Received: 29 March 2019
Accepted: 26 June 2019
First Online: 29 June 2019
Compliance with ethical standards
:
: All authors have no conflicts of interest to declare.
: All procedures performed 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. Our institutional review board approved this retrospective study.
: Informed consent was obtained from all individual participants included in the study.