Ji-Eun Park, Jae-Uk Sul, Kyungwon Kang, Byung-Cheul Shin, Kwon-Eui Hong and Sun-Mi Choi*
* Corresponding author: Sun-Mi Choi smchoi@kiom.re.kr
BMC Complementary and Alternative Medicine 2011, 11:124 doi:10.1186/1472-6882-11-124