Table 1.
Eligible subjects for the analysis.
| Japanese | Singaporean | United States | ||
|---|---|---|---|---|
| Pilot | Main sample | |||
| Males | 17 | 10 | 1 | 11 |
| Females | 15 | 12 | 20 | 12 |
| Total | 32 | 22 | 21 | 23 |
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