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Authors
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Funding
Funding for this research was provided by:
Shanghai Municipal Education Commission-Gaoyuan Nursing Grant Support (Hlgy1816ky)
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Article History
Received: 14 December 2018
Accepted: 26 November 2019
First Online: 4 December 2019
Ethics approval and consent to participate
: All participants have given informed and written consent. This study was approved by the ethics committee of <i>Shanghai Sixth People’s Hospital, Shanghai Jiao Tong University</i>, and followed the ethical guidelines laid down in the 1975 Declaration of Helsinki.
: Not Applicable.
: The authors declare that they have no competing interests.
