Hashido, Takashi
Nakasone, Shinya
Fukao, Mari
Ota, Seiichi
Inoue, Shinichi
Article History
Received: 6 April 2018
Revised: 15 September 2018
Accepted: 15 September 2018
First Online: 21 September 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 IRB (approval number 15301, Osaka University Ethics Committee) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. This article does not contain any studies with animals performed.
: For this retrospective study, passive informed consent (opt-out) was obtained from all individual participants.