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Authors
Nishijima, Kaoru https://orcid.org/0000-0002-9568-3654
Kizawa, Yoshiyuki
Yamauchi, Toshihiro
Odagiri, Takuya
Ito, Tetsuya
Kaneishi, Keisuke
Shimizu, Keiji
Morita, Tatsuya
Mori, Masanori
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Funding
Funding for this research was provided by:
Japanese Hospice Palliative Care Foundation.
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Article History
Received: 23 September 2020
Accepted: 8 March 2021
First Online: 16 March 2021
Declarations
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: Study protocol was reviewed and approved by institutional review boards of all participating sites.
: Opt-out methods were employed and written informed consent was waived according to the Japanese Ethical Guidelines for Epidemiology Research and guidance of institutional review boards.
: Not applicable.
: The authors declare no competing interests.
