Updates are available Correction dated 2021-09-21
Click to view Correction: https://doi.org/10.1186/s12877-021-02384-7
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Authors
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Funding
Funding for this research was provided by:
Foundation of Social Development for Senior Citizens
Sagami Women's University
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Article History
Received: 12 May 2020
Accepted: 7 June 2021
First Online: 26 June 2021
Change Date: 21 September 2021
Change Type: Correction
Change Details: A Correction to this paper has been published:
Change Details: https://doi.org/10.1186/s12877-021-02384-7
Declarations
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: The Ethics Review Committee for Research on Humans at Sagami Women’s University approved this study (No. 1793, October 27, 2017). The questionnaire was anonymized (ID numbering) to protect personal information. Written informed consent was obtained from all the study participants.
: Not applicable.
: The authors declare no competing interests.
