Funding for this research was provided by:
Ministry of Health, Labour and Welfare (Health, Labour Sciences Research Grants for Research on Regulatory Science of Pharmaceuticals, Medical Devices, Health, Labour Sciences Research Grants for Research on Regulatory Science of Pharmaceuticals, Medical Devices)
Okayama Medical Foundation
Article History
Received: 26 September 2019
Accepted: 31 January 2020
First Online: 21 February 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This article does not contain any studies with human participants performed by any of the authors.