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| Side effects | N (%) |
| Dry mouth | 196 (18.6) |
| Headache | 192 (18.2) |
| Fatigue | 141 (13.3) |
| General discomfort | 72 (6.8) |
| Dizziness | 67 (6.3) |
| Light flu-like symptoms | 60 (5.7) |
| Itch | 39 (3.7) |
| Shivers | 30 (2.8) |
| Runny nose | 30 (2.8) |
| Nausea | 17 (1.6) |
