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Number of significant units with best model # (2–7), all were better than the linear model 1.
| Model 2 | Model 3 | Model 4 | Model 5 | Model 6 | Model 7 | |
|---|---|---|---|---|---|---|
| NHP S PMd | 24 | 10 | 48 | 7 | 2 | 6 |
| NHP S M1 | 10 | 3 | 48 | 0 | 0 | 0 |
| NHP S S1 | 12 | 4 | 74 | 3 | 0 | 0 |
| NHP P PMd | 22 | 12 | 37 | 0 | 1 | 0 |
| NHP P M1 | 14 | 11 | 11 | 3 | 1 | 0 |
| NHP P S1 | 13 | 15 | 16 | 2 | 2 | 0 |
