Table 1.
The samples used in the study
| Country | Location | Year | Sample (N) | Total (N) |
|---|---|---|---|---|
| Thailand | Tak |
2003–2008, 2012–2016 |
44 | 51 |
| Kanchanaburi | 2002–2004 | 6 | ||
| Cheangmai | 2003 | 1 | ||
| Myanmar | Myanmar | 2009 | 44 | 44 |
| Total | 95 | |||
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