Fujinaga, Shuichiro http://orcid.org/0000-0002-2957-3705
Gonda, Yusuke
Article History
Received: 23 November 2018
Accepted: 18 December 2018
First Online: 5 January 2019
Compliance with ethical standards
:
: The authors declare no conflicts of interest.
: This article does not contain any studies with human participants and we utilized the data described in our previous study [CitationRef removed]. IRB approval is not applicable for an opinion-based letter.