Table 1.
Demographic data of the 62 healthy volunteers
| Demographic | Number (%) |
|---|---|
| Sex | |
| Male | 28 (45) |
| Female | 34 (55) |
| Age (years) | |
| 19–24 | 22 (35) |
| 25–30 | 24 (39) |
| 31–32 | 16 (26) |
| Ethnicity | |
| White | 58 (94) |
| Chinese | 4 (6) |
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