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| Before trial (1) | After 1st time out of cabin (2) | Before 2nd time into cabin (3) | After the trial (4) |
| 39.66±3.19 | 38.11±3.92 | 38.34±2.49 | 37.50±2.69▴ |
indicates a significant difference compared to pre-trial, P<0.05.
