Text and Data Mining valid from 2018-05-08
Received: 7 August 2017
Accepted: 26 April 2018
First Online: 8 May 2018
Ethics approval and consent to participate
: The Institutional Review Board of Nursing Research in Tokyo Medical University approved this study protocol on March 2, 2017 (ID: 28–11). The trial was registered in the University hospital Medical Information Network- Clinical Trials Registry (UMIN-CTR) which was acceptable registry of International Committee of Medical Journal Editors (No. UMIN000032176, April, 2018). The Institutional Review Board and the UMIN-CTR monitored the progress of this study every 6 months. We provided web-based written information about the study, participation and publication of the results. We obtained web-based written informed consent from participants before study registration.
: This research doesn’t contain personal data, and it was not applicable. All participants agreed that we will publish the results of this study.
: All authors have declared that they have no competing interest of this study.
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