Funding

No funding or sponsorship was received for this study or publication of this article.

Authorship

All named authors meet the International Committee of Medical Journal Editors (ICMJE) criteria for authorship for this article, take responsibility for the integrity of the work as a whole, and have given their approval for this version to be published.

Author Contributions

All authors carefully read the manuscript by Shen et al., and reviewed their methods and data. Zhong Feng suggested comment points and drafted the manuscript. Fu-Shan Xue and Yi Cheng revised the comment points and manuscript. All authors have read and approved the final manuscript.

Disclosures

Zhong Feng, Fu Shan Xue, and Yi Cheng declare that they have no conflict of interest for this work.

Compliance with Ethics Guidelines

This article is based on a previously conducted study and does not contain any study with human participants or animals performed by any of the authors.

Data Availability

Data sharing is not applicable to this article as no datasets were generated or analyzed during the current study.