Table 1.

Demographic data of both experiments.

Characteristic	Value
(a) Demographic data of the 31 test subjects in a clinical study of Experiment 1
Average age (range) [years]	37.2 (22–62)
Sex ratio male:female (percentage)	12:19 (38.7:61.3)
Number of HCWs among test subjects (percentage)	24 (83.9)
Number of physicians among test subjects (percentage)	7 (22.6)
(b) Demographic data of the 21 test subjects in clinical study of Experiment 2
Average age (range) [years]	33.6 (19–75)
Sex ratio male:female (percentage)	13:8 (61.9:38.1)