Guarantor

The scientific guarantor of this publication is Xiudi Lu from the First Teaching Hospital of Tianjin University of Traditional Chinese Medicine.

Conflict of interest

The author of this manuscript declares no relationships with any companies whose products or services may be related to the subject matter of the article.

Statistics and biometry

Not applicable.

Informed consent

Informed consent was not required since this work is an editorial comment.

Ethical approval

Ethics approval was not required since this work is an editorial comment.

Methodology