Chien-Hung Lin, Yao-An Shen, Peir-Haur Hung, Yuan-Bin Yu and Yann-Jang Chen*
* Corresponding author: Yann-Jang Chen yjchen@ym.edu.tw
BMC Complementary and Alternative Medicine 2012, 12:201 doi:10.1186/1472-6882-12-201