Atip Chantarudee, Preecha Phuwapraisirisan, Kiyoshi Kimura, Masayuki Okuyama, Haruhide Mori, Atsuo Kimura and Chanpen Chanchao*
* Corresponding author: Chanpen Chanchao chanpen@sc.chula.ac.th
BMC Complementary and Alternative Medicine 2012, 12:45 doi:10.1186/1472-6882-12-45