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Authors
Li, Yuan
Gong, Qin
He, Weixiu
Ke, Junhua
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Article History
Received: 2 April 2024
Accepted: 21 January 2025
First Online: 11 February 2025
Declarations
:
: The authors declare no competing interests.
: The authors have no competing interests to declare.
: All participants provided written informed consent and study procedures were approved by the National Center for Health Statistics Research Ethics Review Board (Protocol Number: Protocol #98 − 12, Protocol #2005-06, and Protocol #2011-17).
: Not applicable.
