| in several us sites | 4 | location |
| as of the end of december | 3 | temporal |
| for 30 days | 2 | temporal |
| trial → be → active | 36 |
| trial → be made → active | 3 |
| negative | neutral | positive |
| 0.077 | 0.796 | 0.127 |
| Raw frequency | 39 |
| Normalized frequency | 0.412 |
| Modifier score | 0.500 |
| Perplexity | 172.782 |