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Vasoontara Yiengprugsawan*, David Harley, Sam-ang Seubsman and Adrian C Sleigh
* Corresponding author: Vasoontara Yiengprugsawan vasoontara.yieng@anu.edu.au
BMC Public Health 2012, 12:1111 doi:10.1186/1471-2458-12-1111