Wakasugi, Minako http://orcid.org/0000-0003-1555-7736
Narita, Ichiei
Funding for this research was provided by:
Japan Society for the Promotion of Science (JP18K08202)
Article History
Received: 1 November 2019
Accepted: 29 January 2020
First Online: 10 February 2020
Compliance with ethical standards
:
: The authors declare that there exist no conflicts of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.
: Obtaining consent to participate in this study was not required, because the current analyses used existing national data without any individual patient data.