Shigemi, Daisuke http://orcid.org/0000-0002-3483-6047
Yasunaga, Hideo
Funding for this research was provided by:
Ministry of Health, Labour and Welfare (H29-Policy-Designated-009, H29-ICT-General-004)
Article History
Received: 4 August 2018
Accepted: 2 January 2019
First Online: 9 January 2019
Competing interest
: The authors declare that they have no competing interest.
: Written informed consent was not required because of the anonymous nature of the data. The need for written consent was formally waived by the ethics committee. The Institutional Review Board at The University of Tokyo approved the study (Reference 3501, approval was granted on 26 May 2017).
: Not applicable.
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