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Authors
Saito, Junko
Shibanuma, Akira
Yasuoka, Junko
Kondo, Naoki
Takagi, Daisuke
Jimba, Masamine
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Funding
Funding for this research was provided by:
The Japan Health Foundation (No.14-Fukushi)
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More Information
Article History
Received: 5 September 2017
Accepted: 16 January 2018
First Online: 2 February 2018
Ethics approval and consent to participate
: This study was conducted in accordance with the World Medical Association’s Declaration of Helsinki, and this study was approved by the Research Ethics Committee of the Graduate School of Medicine at The University of Tokyo, Japan (approval number: 10603). Informed consent was obtained from all participants by clicking on an ‘I agree’ button before responding the questionnaire.
: Not applicable
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
