Funding for this research was provided by:
Japan Society for the Promotion of Science (26461775, 17K10344)
Nanzan University Pache Research Subsidy (I-A-2)
Ministry of Health, Labour and Welfare
Received: 7 August 2019
Accepted: 19 September 2019
First Online: 23 September 2019
Ethics approval and consent to participate
: This study was conducted according to the protocol approved by Nanzan University’s committee for research screening, and the ethics review committees at Nagoya University Graduate School of Medicine and Nagoya University Hospital. All the participants provided their written informed consent to participate in one or both stages of the study, as applicable. If a participant was younger than 20 years, written informed consent from his/her parent was also obtained.
: Not applicable.
: The authors declare that they have no competing interests.