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Distribution of participant self-rated Global Aesthetic Improvement Scale (GAIS) scores in the treatment and control groups at different time points.
Notes: Missing values: treatment group, n=1 at days 7 and 14 after the last injection; control group, n=2 (day 28), n=1 (day 56), n=3 (day 63), n=2 (day 70) after randomization.
