Conflict of interest statement
The authors declare no conflict of interest.
Funding
The project was supported by the National Research Council of Thailand Fund: Science Promotion Fund Research and Innovation: Research for the development of community potential and quality of life (174946).
Author contributions
Lulu Wang, Zili Zhang, and Ye Zhao contributed to the design and concept. Ye Zhao, Kobkullaya Ngamcharoenmongkhon, and Suparata Kiartivich performed the literature searches, wrote the manuscript, and critiqued successive versions. Suparata Kiartivich coordinated the efforts and integrated the sections and comments.
Ethical approval of studies and informed consent
Not applicable.
Acknowledgments
The authors thank Dr. Wenli Zhao for assistance with valuable advice.
Data availability
Not applicable.