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. 2021 Nov 18;7:81. doi: 10.1038/s41522-021-00254-z

Table 1.

Cohort description.

Day 1 Day 2
n 22 6
% Female 72.7 66.7
Median age 48 44.5
Smoking (never/past) 15/7 3/3
Vaping (never/past) 21/1 6/0
Probiotic usage (yes/no) 17/5 3/3