Funding for this research was provided by:
the Japan Society for the Promotion of Science (15K10989)
Received: 30 January 2019
Accepted: 16 April 2019
First Online: 6 May 2019
Ethics approval and consent to participate
: The study was approved by the hospitals’ institutional review boards. All patients provided informed consent to participate.
: Not applicable
: NM consults for Nihon Kohden Corporation on development of the Q-CRT measurement device. The terms of this arrangement have been reviewed and approved by Yokohama City University in accordance with its policy on objectivity in research. All of the other authors declare that they have no competing interests.
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