Mujalin Prasannarong, Vitoon Saengsirisuwan*, Pawinee Piyachaturawat and Apichart Suksamrarn
* Corresponding author: Vitoon Saengsirisuwan scvss@mahidol.ac.th
BMC Complementary and Alternative Medicine 2012, 12:28 doi:10.1186/1472-6882-12-28