Sun, Xiaocao
Tang, Siyuan
Miyawaki, Christina E.
Li, Yuxiao
Hou, Tianxue
Liu, Minhui
Article History
Received: 31 August 2021
Accepted: 17 January 2022
First Online: 2 February 2022
Declarations
:
: NHATS was approved by the Johns Hopkins Bloomberg School of Public Health Institutional Review Board. Informed consent was obtained from the NHATS participants before they were interviewed. The Xiangya School of Nursing Ethic Committee of Central South University deemed the current analyses as exempt from review. The study followed the guidelines of the Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.