Conflict of interest statement
The authors declare no conflicts of interest.
Funding
The study received no extramural funding.
Authors’ contributions
Thinh Ngo Van conceptualized the study idea, conducted the literature review, drafted the manuscript, participated in detailed discussions, and revised the manuscript. Dung Le Thi Thuy, Nhung Dang Thi Huyen, and Trang Nguyen Ha contributed to the overall conceptualization, participated in detailed discussions, and critically reviewed and improved the manuscript.
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