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The study was funded by the C2F program, Chulalongkorn University.
The authors declare no competing interests.
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Almulla, A.F., Maes, M. Although serotonin is not a major player in depression, its precursor is. Mol Psychiatry 28, 3155–3156 (2023). https://doi.org/10.1038/s41380-023-02092-1
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