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. 2021 Jul 6:M21-0878. doi: 10.7326/M21-0878

Table 1.

Participant Characteristics at Baseline, 30- to 45-Day Follow-up, and 7- to 9-Month Follow-up

Table 1. Participant Characteristics at Baseline, 30- to 45-Day Follow-up, and 7- to 9-Month Follow-up