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Article History

Received: 2 November 2020

Accepted: 24 February 2021

First Online: 7 March 2021

Declarations

:

: All methods were carried out in accordance with the Declaration of Helsinki. This retrospective study performed using the data from the questionnaire survey. All participants signed informed consent to obtain necessary personal information when receiving free BMD measurement. The Ethics approval is not required involving the epidemiological studies of pre-existing material and information according to the Measures for Ethical Review of Biomedical Research Involving People (National Health and Family Planning Commission of the People’s Republic of China, ExternalRef removed) and the Ethics Committee of Clinical Research on Traditional Chinese Medicine of Fujian Academy of Chinese Medical Sciences, ExternalRef removed.

: Not applicable.

: The authors declare that they have no competing interests.