Morita, Kojiro http://orcid.org/0000-0002-2306-0669
Yasunaga, Hideo
Article History
First Online: 12 September 2019
Compliance with Ethical Standards
:
: Dr. Yasunaga’s institution received funding from the Ministry of Health, Labour and Welfare, Japan.
: Kojiro Morita and Hideo Yasunaga have disclosed they have no potential conflicts of interest.
Free to read: This content has been made available to all.