Table 1. Age distribution of the study subjects.
| Age (years) | Number of cases | Percentage |
| 0-10 | 5 | 16.6% |
| 11-20 | 4 | 13.3% |
| 21-30 | 3 | 10.0% |
| 31-40 | 8 | 26.6% |
| 41-50 | 3 | 10.0% |
| 51-60 | 4 | 13.3% |
| >60 | 3 | 10.0% |
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