Kogue, Ryota
Maeda, Masayuki http://orcid.org/0000-0002-6532-399X
Umino, Maki
Tsuchiya, Kazuhiro
Sakuma, Hajime
Funding for this research was provided by:
JSPS KAKENHI (JP16K10315, JP16K10314)
Article History
Received: 7 January 2018
Accepted: 18 April 2018
First Online: 3 May 2018
Compliance with ethical standards
:
: The work was funded by grants from the JSPS KAKENHI (Grant no. JP16K10315 and Grant no. JP16K10314).
: The authors declare that they have no conflict of interest.
: All procedures performed in this study 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. For this type of study formal consent is not required.
: For this type of retrospective study formal consent is not required.