Received: 7 February 2018
Accepted: 24 October 2018
First Online: 20 November 2018
Ethics approval and consent to participate
: The research components of this platform are performed under approval by the Japan Agency for Medical Research and Development (AMED) (approval code: 28-ikenkai-2691, 28-ikenkai-3170, 28-ikenkai-3340, 29-ikaisui-1354).
: A panel of participating doctors in Survey-1 and the Standing Committee of the National University Hospital Council of Japan and the Japanese Association of Private Medical Schools who participated in Survey-2 approved of the publication.
: The authors have no conflict of interest to declare.
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