Table 1
Demographic characteristics of the volunteers
Sample 1 (healthy)
Sample 2 (colds)
Men/women
4/6
10/5
Mean age (men)
20 years (range: 18–21)
20 years (range: 18–25)
Mean age (women)
22 years (range: 20–24)
21 years (range: 19–24)