Funding for this research was provided by:
Japan Agency for Medical Research and Development
Japan Society for the Promotion of Science (17K10428)
Received: 4 March 2019
Accepted: 5 June 2019
First Online: 5 July 2019
Ethics approval and consent to participate
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The Ethics Committee of Hokkaido University Hospital approved this study (#015-0372 and #017-0154 for healthy volunteer and patient studies, respectively), and written informed consent was obtained from each subject.
: Not applicable
: HM is an employee of Nihon Medi-Physics Co., Ltd. The other authors declare that they have no competing interests.